What are the number of possible geometric iso | vedclass

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(B) The complex is of the type $[M(AA)a_2b_2]$,where $M = Co$,$AA = en$,$a = Cl$,and $b = NH_3$.$1$. Geometric Isomers: The complex can exist in $cis$

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$2, 2, 3$

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(B) The complex is of the type $[M(AA)a_2b_2]$,where $M = Co$,$AA = en$,$a = Cl$,and $b = NH_3$.$1$. Geometric Isomers: The complex can exist in $cis$ and $trans$ forms regarding the $Cl$ ligands. For the $cis$ form,there are two arrangements based on the relative positions of $NH_3$ ligands,but specifically,for $[M(AA)a_2b_2]$,there are $2$ geometric isomers ($cis$ and $trans$).$2$. Optical Isomers: The $trans$ isomer is achiral (has a plane of symmetry),while the $cis$ isomer is chiral (exists as a pair of enantiomers). Thus,there are $2$ optical isomers (the $d$ and $l$ forms of the $cis$ isomer).$3$. Total Isomers: The $trans$ isomer $(1)$ + the $2$ enantiomers of the $cis$ isomer $(2)$ = $3$ total isomers.Therefore,the number of geometric isomers is $2$,optical isomers is $2$,and total isomers is $3$.

Complexes	No. of unpaired electrons
$A. [CrF_6]^{4-}$	$P. 5$
$B. [MnF_6]^{4-}$	$Q. 2$
$C. [Cr(CN)_6]^{4-}$	$R. 1$
$D. [Mn(CN)_6]^{4-}$	$S. 4$

What are the number of possible geometric isomers,optical isomers,and total isomers for the complex $[CoCl_2(en)(NH_3)_2]^{+}$ respectively?

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Complexes No. of unpaired electrons

$A. [CrF_6]^{4-}$ $P. 5$

$B. [MnF_6]^{4-}$ $Q. 2$

$C. [Cr(CN)_6]^{4-}$ $R. 1$

$D. [Mn(CN)_6]^{4-}$ $S. 4$

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Consider the following isomerism:
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$iv$. Geometrical
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Which of the above isomerisms are exhibited by $[Cr(NH_3)_2(OH)_2Cl_2]^-$?

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