11
Draw all the isomers (geometrical and optical) of:
(i) [CoCl2(en)2]
+
(ii) [Co(NH3)Cl(en)2]
2+
(iii) [Co(NH3)2Cl2(en)]
+
5 12
Write all the geometrical isomers of [Pt(NH3)(Br)(Cl)(py)] and how many of
these will exhibit optical isomers 5 13
Aqueous copper sulphate solution (blue in colour) gives:
(i) a green precipitate with aqueous potassium fluoride and
(ii) a bright green solution with aqueous potassium chloride