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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2009
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Q)

Which of the following does not show optical isomerism - <br> (en = Ethylenediamine)


( A ) $[Co(en)_3]^{3+}$
( B ) $[Co(NH_3)_3Cl_3]^{\circ}$
( C ) $[Co(en)_2Cl_2]^+$
( D ) $[Co(en)Cl_2(NH_3)_2]^+$

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