The phenomenon of optical activity will be shown by which of the following complexes?

t r a n s - [M A_{2} B_{4}]

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c i s - [M A_{2} B_{2} (e n)]

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t r a n s - [M A_{2} (e n)_{2}]

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t r a n s - [M B_{2} (e n)_{2}]

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Solution

The correct option is B $c i s - [M A_{2} B_{2} (e n)]$
$t r a n s - [M A_{2} B_{4}]$
$c i s - [M A_{2} B_{2} (e n)]$
$t r a n s - [M A_{2} (e n)_{2}]$
$t r a n s - [M B_{2} (e n)_{2}]$

Structures (a), (c) and (d) have plane of symmetry so are optically inactive. Structure (b) is asymmetric so it will show optical activity.

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Similar questions

The cis-isomer of which of the following ions will have optical isomers but the trans-isomer will not?

-

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

T r a n s - [I r C l_{2} (C_{2} O_{4})_{2}]^{3 -}

[R h (e n)_{3}]^{3 +}

c i s - [I r (H_{2} O)_{3} C l_{3}]

- [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 +}

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

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