In which of the following pairs both the complexes show optical isomerism?

c i s - {[C r {(C_{2} O_{4})}_{2} C l_{2}]}_{2}^{3 -}, t r a n s - [C o {(N H_{3})}_{4} C l_{2}]

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[C o {(e n)}_{3}] C l_{3}, c i s - [C o {(e n)}_{2} C l_{2}] C l

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[P t C l (d i e n)] C l, {[N i C l_{2} B r_{2}]}_{2}^{2 -}

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[C o {(N O_{3})}_{3} {(N H_{3})}_{3}], c i s - [P t {(e n)}_{2} C l_{2}]

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Solution

The correct option is B $[C o {(e n)}_{3}] C l_{3}, c i s - [C o {(e n)}_{2} C l_{2}] C l$
(A) $c i s - {[C r {(C_{2} O_{4})}_{2} C l_{2}]}_{2}^{3 -}$ shows optical isomerism whereas $t r a n s - [C o {(N H_{3})}_{4} C l_{2}]$ is optically inactive.
(B) Both the complexes $[C o {(e n)}_{3}] C l_{3}, c i s - [C o {(e n)}_{2} C l_{2}] C l$ show optical isomerism.
(C) Both $[P t C l (d i e n)] C l, {[N i C l_{2} B r_{2}]}_{2}^{2 -}$ are optically inactive.
(D) $[C o {(N O_{3})}_{3} {(N H_{3})}_{3}]$ is optically inactive whereas $c i s - [P t {(e n)}_{2} C l_{2}]$ is optically active.

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Similar questions

Q. Which of the following compounds show optical isomerism?
I. cis

- [C o (N H_{3})_{4} C l_{2}]^{+}

II. trans

- [C o (e n)_{2} C l_{2}]^{+}

III. cis

- [C o (e n)_{2} C l_{2}]^{+}

IV.

[C o (e n)_{3}]^{3 +}

Q. Which of the following statements is not true about the complex ion

[P t (e n)_{2} C l_{2}]^{2 +}

Identify the optically active compounds from the following
(a) $[C o (e n)_{3}]^{3 +}$
(b) $t r a n s - [C o (e n)_{2} C l_{2}]^{+}$
(c) $c i s - [C o (e n)_{2} C l_{2}]^{+}$
(d) $[C r (N H_{3})_{5} C l]$

Q. Define the cis-trans isomerism? Show the cis-trans isomers of

[C o (N H_{3})_{4} C l_{2}]^{+}

Q. Among the following complex which one shows cis-trans isomerism?

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