Chemistry-(general)

NEET Chemistry (general) MCQ Question

Type: MCQ-numerical-Hard-Class 12

The complex [Co(NH3)6]3+ is described as diamagnetic. If the electronic configuration of cobalt in this complex is 3d6, what is the number of unpaired electrons in this complex?

A

0

B

2

C

1

D

3

Correct Answer

Option A

Detailed Explanation

The complex [Co(NH3)6]3+ has cobalt in the +3 oxidation state with a 3d6 electronic configuration. It is diamagnetic, meaning there are no unpaired electrons. Therefore, the number of unpaired electrons is 0.

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