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1 | 4705-4708 | (v) Oxidation state of the metal in cation, anion or neutral coordination
entity is indicated by Roman numeral in parenthesis (vi) If the complex ion is a cation, the metal is named same as the
element For example, Co in a complex cation is called cobalt and
Pt is called platinum If the complex ion is an anion, the name of
the metal ends with the suffix – ate |
1 | 4706-4709 | (vi) If the complex ion is a cation, the metal is named same as the
element For example, Co in a complex cation is called cobalt and
Pt is called platinum If the complex ion is an anion, the name of
the metal ends with the suffix – ate For example, Co in a complex
anion,
2
Co SCN4
is called cobaltate |
1 | 4707-4710 | For example, Co in a complex cation is called cobalt and
Pt is called platinum If the complex ion is an anion, the name of
the metal ends with the suffix – ate For example, Co in a complex
anion,
2
Co SCN4
is called cobaltate For some metals, the Latin
names are used in the complex anions, e |
1 | 4708-4711 | If the complex ion is an anion, the name of
the metal ends with the suffix – ate For example, Co in a complex
anion,
2
Co SCN4
is called cobaltate For some metals, the Latin
names are used in the complex anions, e g |
1 | 4709-4712 | For example, Co in a complex
anion,
2
Co SCN4
is called cobaltate For some metals, the Latin
names are used in the complex anions, e g , ferrate for Fe |
1 | 4710-4713 | For some metals, the Latin
names are used in the complex anions, e g , ferrate for Fe 5 |
1 | 4711-4714 | g , ferrate for Fe 5 3 |
1 | 4712-4715 | , ferrate for Fe 5 3 2 Naming of
Mononuclear
Coordination
Compounds
Note: The 2004 IUPAC
draft recommends that
ligands will be sorted
alphabetically,
irrespective of charge |
1 | 4713-4716 | 5 3 2 Naming of
Mononuclear
Coordination
Compounds
Note: The 2004 IUPAC
draft recommends that
ligands will be sorted
alphabetically,
irrespective of charge Note: The 2004
IUPAC draft
recommends that
anionic ligands will
end with–ido so that
chloro would become
chlorido, etc |
1 | 4714-4717 | 3 2 Naming of
Mononuclear
Coordination
Compounds
Note: The 2004 IUPAC
draft recommends that
ligands will be sorted
alphabetically,
irrespective of charge Note: The 2004
IUPAC draft
recommends that
anionic ligands will
end with–ido so that
chloro would become
chlorido, etc 5 |
1 | 4715-4718 | 2 Naming of
Mononuclear
Coordination
Compounds
Note: The 2004 IUPAC
draft recommends that
ligands will be sorted
alphabetically,
irrespective of charge Note: The 2004
IUPAC draft
recommends that
anionic ligands will
end with–ido so that
chloro would become
chlorido, etc 5 3 |
1 | 4716-4719 | Note: The 2004
IUPAC draft
recommends that
anionic ligands will
end with–ido so that
chloro would become
chlorido, etc 5 3 1 Formulas of
Mononuclear
Coordination
Entities
Rationalised 2023-24
124
Chemistry
(vii) The neutral complex molecule is named similar to that of the
complex cation |
1 | 4717-4720 | 5 3 1 Formulas of
Mononuclear
Coordination
Entities
Rationalised 2023-24
124
Chemistry
(vii) The neutral complex molecule is named similar to that of the
complex cation The following examples illustrate the nomenclature for coordination
compounds |
1 | 4718-4721 | 3 1 Formulas of
Mononuclear
Coordination
Entities
Rationalised 2023-24
124
Chemistry
(vii) The neutral complex molecule is named similar to that of the
complex cation The following examples illustrate the nomenclature for coordination
compounds 1 |
1 | 4719-4722 | 1 Formulas of
Mononuclear
Coordination
Entities
Rationalised 2023-24
124
Chemistry
(vii) The neutral complex molecule is named similar to that of the
complex cation The following examples illustrate the nomenclature for coordination
compounds 1 [Cr(NH3)3(H2O)3]Cl3 is named as:
triamminetriaquachromium(III) chloride
Explanation: The complex ion is inside the square bracket, which is
a cation |
1 | 4720-4723 | The following examples illustrate the nomenclature for coordination
compounds 1 [Cr(NH3)3(H2O)3]Cl3 is named as:
triamminetriaquachromium(III) chloride
Explanation: The complex ion is inside the square bracket, which is
a cation The amine ligands are named before the aqua ligands
according to alphabetical order |
1 | 4721-4724 | 1 [Cr(NH3)3(H2O)3]Cl3 is named as:
triamminetriaquachromium(III) chloride
Explanation: The complex ion is inside the square bracket, which is
a cation The amine ligands are named before the aqua ligands
according to alphabetical order Since there are three chloride ions in
the compound, the charge on the complex ion must be +3 (since the
compound is electrically neutral) |
1 | 4722-4725 | [Cr(NH3)3(H2O)3]Cl3 is named as:
triamminetriaquachromium(III) chloride
Explanation: The complex ion is inside the square bracket, which is
a cation The amine ligands are named before the aqua ligands
according to alphabetical order Since there are three chloride ions in
the compound, the charge on the complex ion must be +3 (since the
compound is electrically neutral) From the charge on the complex
ion and the charge on the ligands, we can calculate the oxidation
number of the metal |
1 | 4723-4726 | The amine ligands are named before the aqua ligands
according to alphabetical order Since there are three chloride ions in
the compound, the charge on the complex ion must be +3 (since the
compound is electrically neutral) From the charge on the complex
ion and the charge on the ligands, we can calculate the oxidation
number of the metal In this example, all the ligands are neutral
molecules |
1 | 4724-4727 | Since there are three chloride ions in
the compound, the charge on the complex ion must be +3 (since the
compound is electrically neutral) From the charge on the complex
ion and the charge on the ligands, we can calculate the oxidation
number of the metal In this example, all the ligands are neutral
molecules Therefore, the oxidation number of chromium must be
the same as the charge of the complex ion, +3 |
1 | 4725-4728 | From the charge on the complex
ion and the charge on the ligands, we can calculate the oxidation
number of the metal In this example, all the ligands are neutral
molecules Therefore, the oxidation number of chromium must be
the same as the charge of the complex ion, +3 2 |
1 | 4726-4729 | In this example, all the ligands are neutral
molecules Therefore, the oxidation number of chromium must be
the same as the charge of the complex ion, +3 2 [Co(H2NCH2CH2NH2)3]2(SO4)3 is named as:
tris(ethane-1,2–diamine)cobalt(III) sulphate
Explanation: The sulphate is the counter anion in this molecule |
1 | 4727-4730 | Therefore, the oxidation number of chromium must be
the same as the charge of the complex ion, +3 2 [Co(H2NCH2CH2NH2)3]2(SO4)3 is named as:
tris(ethane-1,2–diamine)cobalt(III) sulphate
Explanation: The sulphate is the counter anion in this molecule Since it takes 3 sulphates to bond with two complex cations, the
charge on each complex cation must be +3 |
1 | 4728-4731 | 2 [Co(H2NCH2CH2NH2)3]2(SO4)3 is named as:
tris(ethane-1,2–diamine)cobalt(III) sulphate
Explanation: The sulphate is the counter anion in this molecule Since it takes 3 sulphates to bond with two complex cations, the
charge on each complex cation must be +3 Further, ethane-1,2–
diamine is a neutral molecule, so the oxidation number of cobalt
in the complex ion must be +3 |
1 | 4729-4732 | [Co(H2NCH2CH2NH2)3]2(SO4)3 is named as:
tris(ethane-1,2–diamine)cobalt(III) sulphate
Explanation: The sulphate is the counter anion in this molecule Since it takes 3 sulphates to bond with two complex cations, the
charge on each complex cation must be +3 Further, ethane-1,2–
diamine is a neutral molecule, so the oxidation number of cobalt
in the complex ion must be +3 Remember that you never have to
indicate the number of cations and anions in the name of an
ionic compound |
1 | 4730-4733 | Since it takes 3 sulphates to bond with two complex cations, the
charge on each complex cation must be +3 Further, ethane-1,2–
diamine is a neutral molecule, so the oxidation number of cobalt
in the complex ion must be +3 Remember that you never have to
indicate the number of cations and anions in the name of an
ionic compound 3 |
1 | 4731-4734 | Further, ethane-1,2–
diamine is a neutral molecule, so the oxidation number of cobalt
in the complex ion must be +3 Remember that you never have to
indicate the number of cations and anions in the name of an
ionic compound 3 [Ag(NH3)2][Ag(CN)2] is named as:
diamminesilver(I) dicyanidoargentate(I)
Write the formulas for the following coordination compounds:
(a) Tetraammineaquachloridocobalt(III) chloride
(b) Potassium tetrahydroxidozincate(II)
(c) Potassium trioxalatoaluminate(III)
(d) Dichloridobis(ethane-1,2-diamine)cobalt(III)
(e) Tetracarbonylnickel(0)
(a) [Co(NH3)4(H2O)Cl]Cl2
(b) K2[Zn(OH)4]
(c) K3[Al(C2O4)3]
(d) [CoCl2(en)2]+
(e) [Ni(CO)4]
Write the IUPAC names of the following coordination compounds:
(a) [Pt(NH3)2Cl(NO2)]
(b) K3[Cr(C2O4)3]
(c) [CoCl2(en)2]Cl
(d) [Co(NH3)5(CO3)]Cl
(e) Hg[Co(SCN)4]
(a) Diamminechloridonitrito-N-platinum(II)
(b) Potassium trioxalatochromate(III)
(c) Dichloridobis(ethane-1,2-diamine)cobalt(III) chloride
(d) Pentaamminecarbonatocobalt(III) chloride
(e) Mercury (I) tetrathiocyanato-S-cobaltate(III)
Example 5 |
1 | 4732-4735 | Remember that you never have to
indicate the number of cations and anions in the name of an
ionic compound 3 [Ag(NH3)2][Ag(CN)2] is named as:
diamminesilver(I) dicyanidoargentate(I)
Write the formulas for the following coordination compounds:
(a) Tetraammineaquachloridocobalt(III) chloride
(b) Potassium tetrahydroxidozincate(II)
(c) Potassium trioxalatoaluminate(III)
(d) Dichloridobis(ethane-1,2-diamine)cobalt(III)
(e) Tetracarbonylnickel(0)
(a) [Co(NH3)4(H2O)Cl]Cl2
(b) K2[Zn(OH)4]
(c) K3[Al(C2O4)3]
(d) [CoCl2(en)2]+
(e) [Ni(CO)4]
Write the IUPAC names of the following coordination compounds:
(a) [Pt(NH3)2Cl(NO2)]
(b) K3[Cr(C2O4)3]
(c) [CoCl2(en)2]Cl
(d) [Co(NH3)5(CO3)]Cl
(e) Hg[Co(SCN)4]
(a) Diamminechloridonitrito-N-platinum(II)
(b) Potassium trioxalatochromate(III)
(c) Dichloridobis(ethane-1,2-diamine)cobalt(III) chloride
(d) Pentaamminecarbonatocobalt(III) chloride
(e) Mercury (I) tetrathiocyanato-S-cobaltate(III)
Example 5 2
Example 5 |
1 | 4733-4736 | 3 [Ag(NH3)2][Ag(CN)2] is named as:
diamminesilver(I) dicyanidoargentate(I)
Write the formulas for the following coordination compounds:
(a) Tetraammineaquachloridocobalt(III) chloride
(b) Potassium tetrahydroxidozincate(II)
(c) Potassium trioxalatoaluminate(III)
(d) Dichloridobis(ethane-1,2-diamine)cobalt(III)
(e) Tetracarbonylnickel(0)
(a) [Co(NH3)4(H2O)Cl]Cl2
(b) K2[Zn(OH)4]
(c) K3[Al(C2O4)3]
(d) [CoCl2(en)2]+
(e) [Ni(CO)4]
Write the IUPAC names of the following coordination compounds:
(a) [Pt(NH3)2Cl(NO2)]
(b) K3[Cr(C2O4)3]
(c) [CoCl2(en)2]Cl
(d) [Co(NH3)5(CO3)]Cl
(e) Hg[Co(SCN)4]
(a) Diamminechloridonitrito-N-platinum(II)
(b) Potassium trioxalatochromate(III)
(c) Dichloridobis(ethane-1,2-diamine)cobalt(III) chloride
(d) Pentaamminecarbonatocobalt(III) chloride
(e) Mercury (I) tetrathiocyanato-S-cobaltate(III)
Example 5 2
Example 5 2
Example 5 |
1 | 4734-4737 | [Ag(NH3)2][Ag(CN)2] is named as:
diamminesilver(I) dicyanidoargentate(I)
Write the formulas for the following coordination compounds:
(a) Tetraammineaquachloridocobalt(III) chloride
(b) Potassium tetrahydroxidozincate(II)
(c) Potassium trioxalatoaluminate(III)
(d) Dichloridobis(ethane-1,2-diamine)cobalt(III)
(e) Tetracarbonylnickel(0)
(a) [Co(NH3)4(H2O)Cl]Cl2
(b) K2[Zn(OH)4]
(c) K3[Al(C2O4)3]
(d) [CoCl2(en)2]+
(e) [Ni(CO)4]
Write the IUPAC names of the following coordination compounds:
(a) [Pt(NH3)2Cl(NO2)]
(b) K3[Cr(C2O4)3]
(c) [CoCl2(en)2]Cl
(d) [Co(NH3)5(CO3)]Cl
(e) Hg[Co(SCN)4]
(a) Diamminechloridonitrito-N-platinum(II)
(b) Potassium trioxalatochromate(III)
(c) Dichloridobis(ethane-1,2-diamine)cobalt(III) chloride
(d) Pentaamminecarbonatocobalt(III) chloride
(e) Mercury (I) tetrathiocyanato-S-cobaltate(III)
Example 5 2
Example 5 2
Example 5 2
Example 5 |
1 | 4735-4738 | 2
Example 5 2
Example 5 2
Example 5 2
Example 5 |
1 | 4736-4739 | 2
Example 5 2
Example 5 2
Example 5 2
Solution
Solution
Solution
Solution
Solution
Example 5 |
1 | 4737-4740 | 2
Example 5 2
Example 5 2
Solution
Solution
Solution
Solution
Solution
Example 5 3
Example 5 |
1 | 4738-4741 | 2
Example 5 2
Solution
Solution
Solution
Solution
Solution
Example 5 3
Example 5 3
Example 5 |
1 | 4739-4742 | 2
Solution
Solution
Solution
Solution
Solution
Example 5 3
Example 5 3
Example 5 3
Example 5 |
1 | 4740-4743 | 3
Example 5 3
Example 5 3
Example 5 3
Example 5 |
1 | 4741-4744 | 3
Example 5 3
Example 5 3
Example 5 3
Solution
Solution
Solution
Solution
Solution
Notice how the name
of the metal differs in
cation and anion even
though they contain the
same metal ions |
1 | 4742-4745 | 3
Example 5 3
Example 5 3
Solution
Solution
Solution
Solution
Solution
Notice how the name
of the metal differs in
cation and anion even
though they contain the
same metal ions Rationalised 2023-24
125
Coordination Compounds
Isomers are two or more compounds that have the same chemical
formula but a different arrangement of atoms |
1 | 4743-4746 | 3
Example 5 3
Solution
Solution
Solution
Solution
Solution
Notice how the name
of the metal differs in
cation and anion even
though they contain the
same metal ions Rationalised 2023-24
125
Coordination Compounds
Isomers are two or more compounds that have the same chemical
formula but a different arrangement of atoms Because of the different
arrangement of atoms, they differ in one or more physical or chemical
properties |
1 | 4744-4747 | 3
Solution
Solution
Solution
Solution
Solution
Notice how the name
of the metal differs in
cation and anion even
though they contain the
same metal ions Rationalised 2023-24
125
Coordination Compounds
Isomers are two or more compounds that have the same chemical
formula but a different arrangement of atoms Because of the different
arrangement of atoms, they differ in one or more physical or chemical
properties Two principal types of isomerism are known among
coordination compounds |
1 | 4745-4748 | Rationalised 2023-24
125
Coordination Compounds
Isomers are two or more compounds that have the same chemical
formula but a different arrangement of atoms Because of the different
arrangement of atoms, they differ in one or more physical or chemical
properties Two principal types of isomerism are known among
coordination compounds Each of which can be further subdivided |
1 | 4746-4749 | Because of the different
arrangement of atoms, they differ in one or more physical or chemical
properties Two principal types of isomerism are known among
coordination compounds Each of which can be further subdivided (a) Stereoisomerism
(i) Geometrical isomerism
(ii) Optical isomerism
(b) Structural isomerism
(i) Linkage isomerism
(ii) Coordination isomerism
(iii) Ionisation isomerism
(iv) Solvate isomerism
Stereoisomers have the same chemical formula and chemical
bonds but they have different spatial arrangement |
1 | 4747-4750 | Two principal types of isomerism are known among
coordination compounds Each of which can be further subdivided (a) Stereoisomerism
(i) Geometrical isomerism
(ii) Optical isomerism
(b) Structural isomerism
(i) Linkage isomerism
(ii) Coordination isomerism
(iii) Ionisation isomerism
(iv) Solvate isomerism
Stereoisomers have the same chemical formula and chemical
bonds but they have different spatial arrangement Structural isomers
have different bonds |
1 | 4748-4751 | Each of which can be further subdivided (a) Stereoisomerism
(i) Geometrical isomerism
(ii) Optical isomerism
(b) Structural isomerism
(i) Linkage isomerism
(ii) Coordination isomerism
(iii) Ionisation isomerism
(iv) Solvate isomerism
Stereoisomers have the same chemical formula and chemical
bonds but they have different spatial arrangement Structural isomers
have different bonds A detailed account of these isomers are
given below |
1 | 4749-4752 | (a) Stereoisomerism
(i) Geometrical isomerism
(ii) Optical isomerism
(b) Structural isomerism
(i) Linkage isomerism
(ii) Coordination isomerism
(iii) Ionisation isomerism
(iv) Solvate isomerism
Stereoisomers have the same chemical formula and chemical
bonds but they have different spatial arrangement Structural isomers
have different bonds A detailed account of these isomers are
given below This type of isomerism arises in heteroleptic
complexes due to different possible geometric
arrangements of the ligands |
1 | 4750-4753 | Structural isomers
have different bonds A detailed account of these isomers are
given below This type of isomerism arises in heteroleptic
complexes due to different possible geometric
arrangements of the ligands Important examples
of this behaviour are found with coordination
numbers 4 and 6 |
1 | 4751-4754 | A detailed account of these isomers are
given below This type of isomerism arises in heteroleptic
complexes due to different possible geometric
arrangements of the ligands Important examples
of this behaviour are found with coordination
numbers 4 and 6 In a square planar complex of
formula [MX2L2] (X and L are unidentate), the
two ligands X may be arranged adjacent to each
other in a cis isomer, or opposite to each other
in a trans isomer as depicted in Fig |
1 | 4752-4755 | This type of isomerism arises in heteroleptic
complexes due to different possible geometric
arrangements of the ligands Important examples
of this behaviour are found with coordination
numbers 4 and 6 In a square planar complex of
formula [MX2L2] (X and L are unidentate), the
two ligands X may be arranged adjacent to each
other in a cis isomer, or opposite to each other
in a trans isomer as depicted in Fig 5 |
1 | 4753-4756 | Important examples
of this behaviour are found with coordination
numbers 4 and 6 In a square planar complex of
formula [MX2L2] (X and L are unidentate), the
two ligands X may be arranged adjacent to each
other in a cis isomer, or opposite to each other
in a trans isomer as depicted in Fig 5 2 |
1 | 4754-4757 | In a square planar complex of
formula [MX2L2] (X and L are unidentate), the
two ligands X may be arranged adjacent to each
other in a cis isomer, or opposite to each other
in a trans isomer as depicted in Fig 5 2 Other square planar complex of the type
MABXL (where A, B, X, L are unidentates)
shows three isomers-two cis and one trans |
1 | 4755-4758 | 5 2 Other square planar complex of the type
MABXL (where A, B, X, L are unidentates)
shows three isomers-two cis and one trans You may attempt to draw these structures |
1 | 4756-4759 | 2 Other square planar complex of the type
MABXL (where A, B, X, L are unidentates)
shows three isomers-two cis and one trans You may attempt to draw these structures Such isomerism is not possible for a tetrahedral
geometry but similar behaviour is possible in
octahedral complexes of formula [MX2L4] in
which the two ligands X may be oriented cis or
trans to each other (Fig |
1 | 4757-4760 | Other square planar complex of the type
MABXL (where A, B, X, L are unidentates)
shows three isomers-two cis and one trans You may attempt to draw these structures Such isomerism is not possible for a tetrahedral
geometry but similar behaviour is possible in
octahedral complexes of formula [MX2L4] in
which the two ligands X may be oriented cis or
trans to each other (Fig 5 |
1 | 4758-4761 | You may attempt to draw these structures Such isomerism is not possible for a tetrahedral
geometry but similar behaviour is possible in
octahedral complexes of formula [MX2L4] in
which the two ligands X may be oriented cis or
trans to each other (Fig 5 3) |
1 | 4759-4762 | Such isomerism is not possible for a tetrahedral
geometry but similar behaviour is possible in
octahedral complexes of formula [MX2L4] in
which the two ligands X may be oriented cis or
trans to each other (Fig 5 3) 5 |
1 | 4760-4763 | 5 3) 5 4
5 |
1 | 4761-4764 | 3) 5 4
5 4
5 |
1 | 4762-4765 | 5 4
5 4
5 4
5 |
1 | 4763-4766 | 4
5 4
5 4
5 4
5 |
1 | 4764-4767 | 4
5 4
5 4
5 4 Isomerism in
Isomerism in
Isomerism in
Isomerism in
Isomerism in
Coordination
Coordination
Coordination
Coordination
Coordination
Compounds
Compounds
Compounds
Compounds
Compounds
Intext Questions
Intext Questions
Intext Questions
Intext Questions
Intext Questions
5 |
1 | 4765-4768 | 4
5 4
5 4 Isomerism in
Isomerism in
Isomerism in
Isomerism in
Isomerism in
Coordination
Coordination
Coordination
Coordination
Coordination
Compounds
Compounds
Compounds
Compounds
Compounds
Intext Questions
Intext Questions
Intext Questions
Intext Questions
Intext Questions
5 1 Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt(III) chloride
(ii) Potassium tetracyanidonickelate(II)
(iii) Tris(ethane–1,2–diamine) chromium(III) chloride
(iv) Amminebromidochloridonitrito-N-platinate(II)
(v) Dichloridobis(ethane–1,2–diamine)platinum(IV) nitrate
(vi) Iron(III) hexacyanidoferrate(II)
5 |
1 | 4766-4769 | 4
5 4 Isomerism in
Isomerism in
Isomerism in
Isomerism in
Isomerism in
Coordination
Coordination
Coordination
Coordination
Coordination
Compounds
Compounds
Compounds
Compounds
Compounds
Intext Questions
Intext Questions
Intext Questions
Intext Questions
Intext Questions
5 1 Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt(III) chloride
(ii) Potassium tetracyanidonickelate(II)
(iii) Tris(ethane–1,2–diamine) chromium(III) chloride
(iv) Amminebromidochloridonitrito-N-platinate(II)
(v) Dichloridobis(ethane–1,2–diamine)platinum(IV) nitrate
(vi) Iron(III) hexacyanidoferrate(II)
5 2 Write the IUPAC names of the following coordination compounds:
(i) [Co(NH3)6]Cl3
(ii) [Co(NH3)5Cl]Cl2
(iii) K3[Fe(CN)6]
(iv) K3[Fe(C2O4)3]
(v) K2[PdCl4]
(vi) [Pt(NH3)2Cl(NH2CH3)]Cl
5 |
1 | 4767-4770 | 4 Isomerism in
Isomerism in
Isomerism in
Isomerism in
Isomerism in
Coordination
Coordination
Coordination
Coordination
Coordination
Compounds
Compounds
Compounds
Compounds
Compounds
Intext Questions
Intext Questions
Intext Questions
Intext Questions
Intext Questions
5 1 Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt(III) chloride
(ii) Potassium tetracyanidonickelate(II)
(iii) Tris(ethane–1,2–diamine) chromium(III) chloride
(iv) Amminebromidochloridonitrito-N-platinate(II)
(v) Dichloridobis(ethane–1,2–diamine)platinum(IV) nitrate
(vi) Iron(III) hexacyanidoferrate(II)
5 2 Write the IUPAC names of the following coordination compounds:
(i) [Co(NH3)6]Cl3
(ii) [Co(NH3)5Cl]Cl2
(iii) K3[Fe(CN)6]
(iv) K3[Fe(C2O4)3]
(v) K2[PdCl4]
(vi) [Pt(NH3)2Cl(NH2CH3)]Cl
5 4 |
1 | 4768-4771 | 1 Write the formulas for the following coordination compounds:
(i) Tetraamminediaquacobalt(III) chloride
(ii) Potassium tetracyanidonickelate(II)
(iii) Tris(ethane–1,2–diamine) chromium(III) chloride
(iv) Amminebromidochloridonitrito-N-platinate(II)
(v) Dichloridobis(ethane–1,2–diamine)platinum(IV) nitrate
(vi) Iron(III) hexacyanidoferrate(II)
5 2 Write the IUPAC names of the following coordination compounds:
(i) [Co(NH3)6]Cl3
(ii) [Co(NH3)5Cl]Cl2
(iii) K3[Fe(CN)6]
(iv) K3[Fe(C2O4)3]
(v) K2[PdCl4]
(vi) [Pt(NH3)2Cl(NH2CH3)]Cl
5 4 1 Geometric Isomerism
Fig |
1 | 4769-4772 | 2 Write the IUPAC names of the following coordination compounds:
(i) [Co(NH3)6]Cl3
(ii) [Co(NH3)5Cl]Cl2
(iii) K3[Fe(CN)6]
(iv) K3[Fe(C2O4)3]
(v) K2[PdCl4]
(vi) [Pt(NH3)2Cl(NH2CH3)]Cl
5 4 1 Geometric Isomerism
Fig 5 |
1 | 4770-4773 | 4 1 Geometric Isomerism
Fig 5 2: Geometrical isomers (cis and trans)
of Pt [NH3)2Cl2]
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
cis
trans
Fig |
1 | 4771-4774 | 1 Geometric Isomerism
Fig 5 2: Geometrical isomers (cis and trans)
of Pt [NH3)2Cl2]
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
cis
trans
Fig 5 |
1 | 4772-4775 | 5 2: Geometrical isomers (cis and trans)
of Pt [NH3)2Cl2]
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
cis
trans
Fig 5 3: Geometrical isomers (cis and trans)
of [Co(NH3)4Cl2]+
Rationalised 2023-24
126
Chemistry
This type of isomerism also
arises when didentate ligands
L – L [e |
1 | 4773-4776 | 2: Geometrical isomers (cis and trans)
of Pt [NH3)2Cl2]
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
Co
Cl
Cl
N H3
N H3
N H3
N H3
+
cis
trans
Fig 5 3: Geometrical isomers (cis and trans)
of [Co(NH3)4Cl2]+
Rationalised 2023-24
126
Chemistry
This type of isomerism also
arises when didentate ligands
L – L [e g |
1 | 4774-4777 | 5 3: Geometrical isomers (cis and trans)
of [Co(NH3)4Cl2]+
Rationalised 2023-24
126
Chemistry
This type of isomerism also
arises when didentate ligands
L – L [e g , NH2 CH2 CH2 NH2 (en)]
are present in complexes of formula
[MX2(L – L)2] (Fig |
1 | 4775-4778 | 3: Geometrical isomers (cis and trans)
of [Co(NH3)4Cl2]+
Rationalised 2023-24
126
Chemistry
This type of isomerism also
arises when didentate ligands
L – L [e g , NH2 CH2 CH2 NH2 (en)]
are present in complexes of formula
[MX2(L – L)2] (Fig 5 |
1 | 4776-4779 | g , NH2 CH2 CH2 NH2 (en)]
are present in complexes of formula
[MX2(L – L)2] (Fig 5 4) |
1 | 4777-4780 | , NH2 CH2 CH2 NH2 (en)]
are present in complexes of formula
[MX2(L – L)2] (Fig 5 4) Another type of geometrical
isomerism occurs in octahedral
coordination entities of the type
[Ma3b3] like [Co(NH3)3(NO2)3] |
1 | 4778-4781 | 5 4) Another type of geometrical
isomerism occurs in octahedral
coordination entities of the type
[Ma3b3] like [Co(NH3)3(NO2)3] If
three donor atoms of the same
ligands occupy adjacent positions
at the corners of an octahedral
face, we have the facial (fac)
isomer |
1 | 4779-4782 | 4) Another type of geometrical
isomerism occurs in octahedral
coordination entities of the type
[Ma3b3] like [Co(NH3)3(NO2)3] If
three donor atoms of the same
ligands occupy adjacent positions
at the corners of an octahedral
face, we have the facial (fac)
isomer When the positions are
around the meridian of the
octahedron, we get the meridional
(mer) isomer (Fig |
1 | 4780-4783 | Another type of geometrical
isomerism occurs in octahedral
coordination entities of the type
[Ma3b3] like [Co(NH3)3(NO2)3] If
three donor atoms of the same
ligands occupy adjacent positions
at the corners of an octahedral
face, we have the facial (fac)
isomer When the positions are
around the meridian of the
octahedron, we get the meridional
(mer) isomer (Fig 5 |
1 | 4781-4784 | If
three donor atoms of the same
ligands occupy adjacent positions
at the corners of an octahedral
face, we have the facial (fac)
isomer When the positions are
around the meridian of the
octahedron, we get the meridional
(mer) isomer (Fig 5 5) |
1 | 4782-4785 | When the positions are
around the meridian of the
octahedron, we get the meridional
(mer) isomer (Fig 5 5) Fig |
1 | 4783-4786 | 5 5) Fig 5 |
1 | 4784-4787 | 5) Fig 5 4: Geometrical isomers (cis and trans)
of [CoCl2(en)2]
Why is geometrical isomerism not possible in tetrahedral complexes
having two different types of unidentate ligands coordinated with
the central metal ion |
1 | 4785-4788 | Fig 5 4: Geometrical isomers (cis and trans)
of [CoCl2(en)2]
Why is geometrical isomerism not possible in tetrahedral complexes
having two different types of unidentate ligands coordinated with
the central metal ion Tetrahedral complexes do not show geometrical isomerism because
the relative positions of the unidentate ligands attached to the central
metal atom are the same with respect to each other |
1 | 4786-4789 | 5 4: Geometrical isomers (cis and trans)
of [CoCl2(en)2]
Why is geometrical isomerism not possible in tetrahedral complexes
having two different types of unidentate ligands coordinated with
the central metal ion Tetrahedral complexes do not show geometrical isomerism because
the relative positions of the unidentate ligands attached to the central
metal atom are the same with respect to each other Solution
Solution
Solution
Solution
Solution
Optical isomers are mirror images that
cannot be superimposed on one
another |
1 | 4787-4790 | 4: Geometrical isomers (cis and trans)
of [CoCl2(en)2]
Why is geometrical isomerism not possible in tetrahedral complexes
having two different types of unidentate ligands coordinated with
the central metal ion Tetrahedral complexes do not show geometrical isomerism because
the relative positions of the unidentate ligands attached to the central
metal atom are the same with respect to each other Solution
Solution
Solution
Solution
Solution
Optical isomers are mirror images that
cannot be superimposed on one
another These
are
called
as
enantiomers |
1 | 4788-4791 | Tetrahedral complexes do not show geometrical isomerism because
the relative positions of the unidentate ligands attached to the central
metal atom are the same with respect to each other Solution
Solution
Solution
Solution
Solution
Optical isomers are mirror images that
cannot be superimposed on one
another These
are
called
as
enantiomers The molecules or ions
that cannot be superimposed are
called chiral |
1 | 4789-4792 | Solution
Solution
Solution
Solution
Solution
Optical isomers are mirror images that
cannot be superimposed on one
another These
are
called
as
enantiomers The molecules or ions
that cannot be superimposed are
called chiral The two forms are called
dextro (d) and laevo (l) depending
upon the direction they rotate the
plane
of
polarised
light
in
polarimeter (d rotates to the right, l toa
the left) |
1 | 4790-4793 | These
are
called
as
enantiomers The molecules or ions
that cannot be superimposed are
called chiral The two forms are called
dextro (d) and laevo (l) depending
upon the direction they rotate the
plane
of
polarised
light
in
polarimeter (d rotates to the right, l toa
the left) Optical isomerism is common
in octahedral complexes involving
didentate ligands (Fig |
1 | 4791-4794 | The molecules or ions
that cannot be superimposed are
called chiral The two forms are called
dextro (d) and laevo (l) depending
upon the direction they rotate the
plane
of
polarised
light
in
polarimeter (d rotates to the right, l toa
the left) Optical isomerism is common
in octahedral complexes involving
didentate ligands (Fig 5 |
1 | 4792-4795 | The two forms are called
dextro (d) and laevo (l) depending
upon the direction they rotate the
plane
of
polarised
light
in
polarimeter (d rotates to the right, l toa
the left) Optical isomerism is common
in octahedral complexes involving
didentate ligands (Fig 5 6) |
1 | 4793-4796 | Optical isomerism is common
in octahedral complexes involving
didentate ligands (Fig 5 6) In a coordination
entity
of
the
type
[PtCl2(en)2]
2+, only the
cis-isomer shows optical
activity (Fig |
1 | 4794-4797 | 5 6) In a coordination
entity
of
the
type
[PtCl2(en)2]
2+, only the
cis-isomer shows optical
activity (Fig 5 |
1 | 4795-4798 | 6) In a coordination
entity
of
the
type
[PtCl2(en)2]
2+, only the
cis-isomer shows optical
activity (Fig 5 7) |
1 | 4796-4799 | In a coordination
entity
of
the
type
[PtCl2(en)2]
2+, only the
cis-isomer shows optical
activity (Fig 5 7) 5 |
1 | 4797-4800 | 5 7) 5 4 |
1 | 4798-4801 | 7) 5 4 2
Optical Isomerism
Fig |
1 | 4799-4802 | 5 4 2
Optical Isomerism
Fig 5 |
1 | 4800-4803 | 4 2
Optical Isomerism
Fig 5 6: Optical isomers (d and l) of [Co(en)3] 3+
Fig |
1 | 4801-4804 | 2
Optical Isomerism
Fig 5 6: Optical isomers (d and l) of [Co(en)3] 3+
Fig 5 |
1 | 4802-4805 | 5 6: Optical isomers (d and l) of [Co(en)3] 3+
Fig 5 7
Optical isomers
(d and l) of cis-
[PtCl2(en)2]2+
Fig |
1 | 4803-4806 | 6: Optical isomers (d and l) of [Co(en)3] 3+
Fig 5 7
Optical isomers
(d and l) of cis-
[PtCl2(en)2]2+
Fig 5 |
1 | 4804-4807 | 5 7
Optical isomers
(d and l) of cis-
[PtCl2(en)2]2+
Fig 5 5
The facial (fac) and
meridional (mer)
isomers of
[Co(NH3)3(NO2)3]
Example 5 |
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