Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In the conversion of 
to 
, the oxidation number of 
changes from
Text Solution
Verified by ExpertsThe correct answer is:
A
: 
Any free (unattached) element with no charge has the oxidation state of zero.
Let the oxidation number of 
in 
be 
.
Hence 
or, 
or, 
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