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

Options

A. 1, 2
B. 2, 2
C. 3, 2
D. 2, 3

Answer

B

Explanation

`[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)`