Which of the following coordination compounds would exhibit optical isomerism ?

Question

Which of the following coordination compounds would exhibit optical isomerism ? (A) Pentaamminenitrocobalt (III) iodide (B) Diamminedichloroplatinum (II) (C) Trans-dicyanobis (ethylenediamine) chromium (III) chloride (D) Tris-(ethylenediamine) cobalt (III) bromide

Tardigrade Admin · Accepted Answer

[ textM texta5 textb]+ textn arrow no orbital activity [ textM texta2 textb2]+ textn arrow plane of symmetry trans- ([ textM ( textAA)2 ( textb)2])+ textn arrow plane of symmetry <img class="img-fluid question-image" alt="Solution" src="https://cdn.tardigrade.in/q/nta/c-dyi2aohfvmndst3s.jpg" /> Enantiomers exist in ([ textM ( textAA)3])+ textn

Q. Which of the following coordination compounds would exhibit optical isomerism ?

Pentaamminenitrocobalt (III) iodide

Diamminedichloroplatinum (II)

Trans-dicyanobis (ethylenediamine) chromium (III) chloride

Tris-(ethylenediamine) cobalt (III) bromide

$[M a_{5} b]^{+ n} \to$ no orbital activity
$[M a_{2} b_{2}]^{+ n} \to$ plane of symmetry
trans- $([M (AA)_{2} (b)_{2}])^{+ n} \to$ plane of symmetry

Enantiomers exist in $([M (AA)_{3}])^{+ n}$

Q. Which of the following coordination compounds would exhibit optical isomerism ?

Pentaamminenitrocobalt (III) iodide

Diamminedichloroplatinum (II)

Trans-dicyanobis (ethylenediamine) chromium (III) chloride

Tris-(ethylenediamine) cobalt (III) bromide

[Ma5​b]+n→ no orbital activity [Ma2​b2​]+n→ plane of symmetry trans- ([M(AA)2​(b)2​])+n→ plane of symmetry Enantiomers exist in ([M(AA)3​])+n

$[M a_{5} b]^{+ n} \to$ no orbital activity
$[M a_{2} b_{2}]^{+ n} \to$ plane of symmetry
trans- $([M (AA)_{2} (b)_{2}])^{+ n} \to$ plane of symmetry

Enantiomers exist in $([M (AA)_{3}])^{+ n}$