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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