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Which element can have oxidation state f...

Which element can have oxidation state from 4 to 6?

A

Fe

B

Mg

C

Co

D

Cr

Text Solution

Verified by Experts

The correct Answer is:
D

Fe oxidation state range +2 to +6 (but +6 is less stable)
Mg xodation state +2
Co oxidation state range +2 to +4
Cr oxidation state range +1 to +6 (but +6 is more stable)
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