The one that is not expected to show isomerism is: - Vidyadip

MCQ

The one that is not expected to show isomerism is:

A
$\left[ Ni \left( NH _{3}\right)_{4}\left( H _{2} O \right)_{2}\right]^{2+}$
✓
$\left[ Ni \left( NH _{3}\right)_{2} Cl _{2}\right]$
C
$\left[ Pt \left( NH _{3}\right)_{2} Cl _{2}\right]$
D
$\left[ Ni ( en )_{3}\right]^{2+}$

✓

Answer

Correct option: B.

$\left[ Ni \left( NH _{3}\right)_{2} Cl _{2}\right]$

b
$\left[ Ni \left( NH _{3}\right)_{2} Cl _{2}\right]$ is tetrahedral complex, therefore does not show geometrical and optical isomerism.

$\left[ Ni \left( NH _{3}\right)_{2} Cl _{2}\right]$ does not show structural isomerism

$\left[ Ni \left( NH _{3}\right)_{4}\left( H _{2} O \right)_{2}\right]^{2+} \&\left[ Pt \left( NH _{3}\right)_{2} Cl _{2}\right]$ show geometrical isomerism

$\left[ Ni ( en )_{3}\right]^{2+}$ show optical isomerism

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