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Consider the complex ions , trans - [...

Consider the complex ions ,
trans `- [Ce(en)_(2) Cl_(2)]^(+) (A)` and
cis `-[Co(en)_(2)Cl_(2)]^(+) `(B) . The correct statement regarding them is :

A

both (A) and (B) cannot be optically active

B

(A) canbe optically active , but (B) cannot be optically active

C

both (A) and (B) can be optically active

D

(A) cannot be optically active , but (B) can be optically active.

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