NEET2015Chemistry-Inorganic Chemistry

NEET 2015 Chemistry Coordination Compounds MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of these statements about [Co(CN)₆]³⁻ is CORRECT?

A

It has no unpaired electrons and has low-spin configuration.

B

It has four unpaired electrons and has low-spin configuration.

C

It has four unpaired electrons and has high-spin configuration.

D

It has no unpaired electrons and has high-spin configuration.

Correct Answer

Option A

Detailed Explanation

[Co(CN)₆]³⁻ is a low-spin complex with no unpaired electrons due to the strong field ligand CN⁻.

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