5 12: (a) Ruby: this gemstone was found in
marble from Mogok, Myanmar; (b)
Emerald: this gemstone was found in
Muzo, Columbia (a)
(b)
Intext Questions
Intext Questions
Intext Questions
Intext Questions
Intext Questions
5 5 Explain on the basis of valence bond theory that [Ni(CN)4]
2– ion with square
planar structure is diamagnetic and the [NiCl4]
2– ion with tetrahedral
geometry is paramagnetic