Which of the following does not have optical isomer [AIIMS 2004]

1.	Which of the following does not have optical isomer [AIIMS 2004]
A.	\[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]\]
B.	\[[Co{{(en)}_{3}}]C{{l}_{3}}\]
C.	\[[Co{{(en)}_{2}}C{{l}_{2}}]Cl\]
D.	\[[Co(en){{(N{{H}_{3}})}_{2}}C{{l}_{2}}]Cl\]
Answer» B. \[[Co{{(en)}_{3}}]C{{l}_{3}}\]

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Which of the following does not have optical isomer [AIIMS 2004]

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