Out of the following two coordination entitie | vedclass

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(A) coordination entity is chiral if it lacks a plane of symmetry and a center of inversion.$(a)$ The $cis-[CrCl_{2}(ox)_{2}]^{3-}$ isomer lacks both

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$(a)$ $cis-[CrCl_{2}(ox)_{2}]^{3-}$

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(A) coordination entity is chiral if it lacks a plane of symmetry and a center of inversion.$(a)$ The $cis-[CrCl_{2}(ox)_{2}]^{3-}$ isomer lacks both a plane of symmetry and a center of inversion,making it chiral (optically active).$(b)$ The $trans-[CrCl_{2}(ox)_{2}]^{3-}$ isomer possesses a plane of symmetry (and a center of inversion),making it achiral (optically inactive).Therefore,the $cis$ isomer is the chiral one.

List-$I$ (Complex ion)	List-$II$ (Calculated spin only magnetic moment $(BM)$)
$A$. $[Cr(H_2O)_6]^{2+}$	$I$. $3.87$
$B$. $[Co(H_2O)_6]^{2+}$	$II$. $5.92$
$C$. $[Cu(H_2O)_6]^{2+}$	$III$. $4.90$
$D$. $[Mn(H_2O)_6]^{2+}$	$IV$. $1.73$

Out of the following two coordination entities,which is chiral (optically active)?
$(a)$ $cis-[CrCl_{2}(ox)_{2}]^{3-}$
$(b)$ $trans-[CrCl_{2}(ox)_{2}]^{3-}$

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Out of the following two coordination entities,which is chiral (optically active)?$(a)$ $cis-[CrCl_{2}(ox)_{2}]^{3-}$$(b)$ $trans-[CrCl_{2}(ox)_{2}]^{3-}$