Which of the following complexes exists as pair of enantiomers?

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

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

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[C o (P (C_{2} H_{5})_{3})_{2} C l B r]

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

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Solution

The correct option is A $[C r (e n)_{3}]^{3 +}$
Optical isomerism is common in octahedral complexes of the formula $[M a_{2} b_{2} c_{2}], [M (A A)_{3}],$ etc. $[C r (e n)_{3}]^{3 +}$ is octahedral complex of the formula $[M (A A)_{3}] .$ It shows optical isomerism and exists as a pair of enantiomers. Enantiomers are non superimposable mirror images of each other.
$[C o (N H_{3})_{4} C l_{2}]^{+}$ , $[C o (P (C_{2} H_{5})_{3})_{2} C l B r]$ and $t r a n s - [C o (e n)_{2} C l_{2}]^{+}$ are optically inactive.

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Similar questions

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

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

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

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

t r a n s - [C o (N H_{3})_{4} C l_{2}]^{+}

c i s - [C o (N H_{3})_{2} (e n)_{2}]^{3 +}

t r a n s - [C o (N H_{3})_{2} (e n)_{2}]^{3 +}

N i C l_{4}^{2 -}

T i F_{6}^{2 -}

C o F_{6}^{3 -}

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