Which of the following statement is not true about the complex ion \( \left[\mathrm{CrCll}_{2}\l...

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Which of the following statement is not true about the complex ion \( \left[\mathrm{CrCll}_{2}\left(\mathrm{NO}_{2}\right)(\mathrm{en})_{2}\right] \) (en = ethylene diamine)
\( \mathrm{P} \)
(A) It has two geometrical isomers-cis and trans
WW
(B) cis and trans forms are not diastereomers to each other
(C) Only the cis isomer displays optical activity
(D) It has three optically active isomers \( \mathrm{d}, \mathrm{l} \) and meso form
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