Question

Which of the following compounds shows optical isomerism ?

• A. $(Co\left(CN\right)_{6}]^{3-}$
• B. $\left[Cr\left(C_{2}O_{4}\right)_{3}\right]^{3-}$
• C. $\left[ZnCl_{4}\right]^{2-}$
• D. $\left[Cu\left(NH_{3}\right)_{4}\right]^{2+}$

Answer 1

Answer: (B)

Mirror image is not superimposable hence, optical isomerism is possible.