Verified Solution • 2025–26 Session moderate

QJEEM20Ch1c1c: JEE Main 2020 Chemistry - Class 12 JEEM20Ch1c1c Solution: The one that is not expected to show isomerism is :

The one that is not expected to show isomerism is :

Multiple Choice Options

  • A [Pt(NH3)2Cl2]
  • B [Ni(NH3)4(H2O)2]2+
  • C [Ni(en)3]2+
  • D [Ni(NH3)2Cl2]

Step-by-Step Verified Solution

[Pt(NH3)2Cl2] is dsp2 hybridisation and shows geometrical isomerism.

[Ni(NH3)4(H2O)2]2+ is Octahedral, show geometrical isomerism.

[Ni(en)3]2+ is Octahedral and shows optical isomerism.

[Ni(NH3)2Cl2] is sp3 hybridisation and tetrahedral complex, therefore does not show geometrical and optical isomerism and structural isomerism.

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