question_answer

Which of the following will give a pair of enantiomorphs?     [AIPMT (S) 2007]

(en = NH2 CH2 CH2 NH2)

A) [Co(NH3)4Cl2]NO2                                              

B) [Cr(NH3)6] [Co(CN)6]

C) [Co(en)2Cl2]Cl

D) [Pt(NH3)4] [PtCl6]

Correct Answer: C

Solution :

[c] Enantiomorphs or Enantiomers: A pair of molecules related to each other as an object to its mirror image are known as enantiomorphs or enantiomers. These are not superimposable on its mirror image.

The example is [Co(en)2Cl2]+

Dichlorobis [ethylene diamine] cobalt (III)