Which one of the following has an optical isomer? Options: A . &nbsp[Zn(en)2]2+ B . &nbsp[Zn(en)(NH3)2]2+ C . &nbsp[Co(en)3]3+ D . &nbsp[Co(H2O)4(en)]3+

Which one of the following has an optical isomer?

Question

Which one of the following has an optical isomer?

Options:

A . [Zn(en)2]2+

B . [Zn(en)(NH3)2]2+

C . [Co(en)3]3+

D . [Co(H2O)4(en)]3+

Answer: Option C
:
C

[C o (e n)_{3}]^{3 +}

does not have plane of symmetry.

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