Q.

Which of the following statements is true
A) Ma3b3 type of complex exhibits fac – mer isomerism
B) Tetrahedral complexes never exhibit optical isomerism
C) [Co(en)3] shows optical isomerism
D) trans [Pt(en)2 Cl2]2+ does not exhibit optical isomerism

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a

B, C, D are correct

b

B, C are correct

c

A, B, C are correct

d

A, C, D are correct

answer is C.

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Detailed Solution

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The complex that can show fac and mer isomers is:

The complex compound [Co(en)3]3+ shows two optical isomers as it contains no element of symmetry. It can be resolved into d and l form. The meso form is not possible

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