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Q. Which of the following complexes show geometrical as well as optical isomerism?
(1) $\left[Cr\left(OX\right)_{3}\right]^{3-}$
(2) $\left[Rh\left(en\right)_{2} Cl_{2}\right]^{+}$
(3) $\left[Co\left(NH_{3}\right)_{2} \left(Cl\right)_{2}\left(en\right)\right]^{+}$
Select the correct answer using the codes given below.

Coordination Compounds

Solution:

With symmetrical bidentate ligands. $\left[Cr\left(OX\right)_{3}\right]^{3-}$ does not show geometrical isomerism but it can show only optical isomerism.
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