Co Ordination Compounds Question 73

Question: Which of the following complex ions will exhibit optical isomerism? (en = 1, 2-diamine ethane).

Options:

A) $ {{[Cr{{( NH_3 )}_2}Cl_2]}^{+}} $

B) $ {{[Co{{( en )}_2}Cl_2]}^{+}} $

C) $ {{[Co{{( NH_3 )}_4}Cl_2]}^{+}} $

D) $ {{[Zn{{( en )}_2}]}^{2+}} $

Show Answer

Answer:

Correct Answer: B

Solution:

Non superimposable mirror images are called optical isomers and may be described as “chiral'.

They are also called enantiomers and rotate plane polarised light in opposite directions.