Which one of the following is expected to not exhibit optical isomerism? (en = ethylenediamine)

c i s - [P t (N H_{3})_{2} C l_{2}]

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

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

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t r a n s - [P t (N H_{3})_{2} C l_{2}]

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Solution

The correct options are
B $t r a n s - [C o (e n)_{2} C l_{2}]$
C $t r a n s - [P t (N H_{3})_{2} C l_{2}]$
D $c i s - [P t (N H_{3})_{2} C l_{2}]$
Option (A), (C) and (D) are correct.

$c i s - [P t (N H_{3})_{2} C l_{2}]$ and trans isomers have a plane of symmetry, so does not exhibit optical isomerism.

$c i s - [C o (e n_{3})_{2} C l_{2}]$ exhibit optical isomerism as shown in the image

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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 +}

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) $[C r (N H_{3})_{5} C l]$

Dipole moment will be zero in the complexes

I) $[N i (C N)_{4}]^{2 -}$

II) $C i s - [P t (N H_{3})_{2} C l_{2}]$

III) Trans - $[P t (N H_{3})_{2} C l_{2}]$

Q. But-2-ene exhibits cis-trans isomerism due to:

Q. The anti-cancer drug cis-platin has the formula

P t (N H_{3})_{2} C l_{2}

. There is another isomer, trans-platin, that is not medically active. What is the shape of cis-platin?

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Which one of the following is expected to not exhibit optical isomerism? (en = ethylenediamine)

The correct options are B trans−[Co(en)2Cl2] C trans−[Pt(NH3)2Cl2] D cis−[Pt(NH3)2Cl2]Option (A), (C) and (D) are correct.cis−[Pt(NH3)2Cl2] and trans isomers have a plane of symmetry, so does not exhibit optical isomerism.cis−[Co(en3)2Cl2] exhibit optical isomerism as shown in the image