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In 3d, common oxidation state is...

In `3d`, common oxidation state is

A

`+1`

B

`+2`

C

`+3`

D

`+4`

Text Solution

Verified by Experts

The correct Answer is:
B
The general electronic configuration is [Ar] `3d^("1 to 10") 4s^2`. Two electrons from 4s are given out commonly to give common oxidation state +2
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MARVEL PUBLICATION-D AND F BLOCK ELEMENTS -TEST YOUR GRASP
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