Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The number of moles of electron required to reduce 0.2 mole of 
to 
Text Solution
Verified by ExpertsThe correct answer is:
A
: 
Change in oxidation state 
per chromium atom.
1 mole of 
required 
moles of 
required 
moles of 
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