Question

Which of the following statements is not true about the complex ion $[Pt(en)_{2}Cl_{2}]^{2+}$ ?

• A. It has two geometrical isomers: cis and trans.
• B. Both the cis and trans isomers display optical activity.
• C. Only the cis isomer displays optical activity.
• D. Only the cis isomer has non-superimposable mirror image.

Answer 1

Answer: (B)

As trans isomer has symmetry elements it does not show optical isomerism, (a), (c) and (d) are correct statements.