1.

The number of geometrical isomers for octahedral [Co(NH_(3))_(2)Cl_(4)]^(-) and square planar [AuCl_(2)Br_(2)]^(-) respectively are :

Answer»

1, 2
2, 2
3, 2
2, 3

Solution :`[M a_(2) b_(4)] implies (a a)(B b)(b b)(ab)(ab)(b b)`
`[M a_(2)b_(2)] implies (a a)(b b)(ab)(ab)`


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