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Question

Chemistry Question on coordination compounds

Which of the following does not show optical isomerism? (en = ethylenediamine)

A

[Co(en)2Cl2]+[Co(en)_2Cl_2]^+

B

[Co(NH3)3Cl3]0[Co (NH_3)_3Cl_3]^0

C

[Co(en)Cl2(NH3)2]+[Co(en)Cl_2(NH_3)_2]^+

D

[Co(en)3]3+[Co(en)_3]^{3+}

Answer

[Co(NH3)3Cl3]0[Co (NH_3)_3Cl_3]^0

Explanation

Solution

As complexes of the type [MA3B3]\left[ MA _{3} B _{3}\right] can show geometrical isomerism knows as facmer isomerism and not optical isomerism. So here [Co(NH3)3Cl3]0\left[ Co \left( NH _{3}\right)_{3} Cl _{3}\right]^{0} can not show optical isomerism.