Question

How many geometrical isomers are there for $\lbrack Co(NH_{3})_{2}Cl_{4}\rbrack^{-}$ (octahedral) and $\lbrack AuCl_{2}Br_{2}\rbrack^{-}$,

(square planar)?

• A. Two cis and trans, no geometrical isomers.
• B. Two cis and trans, two cis and trans.
• C. No geometrical isomers, two cis and trans
• D. NO geometrical isomers, no geometrical isomers.

Answer 1

Answer: (B)

Two cis and trans, two cis and trans.

Answer 2

$\lbrack Co(NH_{3})_{2}Cl_{4}\rbrack^{-}$ $\lbrack AuCl_{2}Br_{2}\rbrack^{-}$