Question

How many moles of electron is needed for the reduction of each mole of Cr in the reaction, 
CrO5+H2SO4----->Cr2(SO4)3+O2 
1)4 
2)3 
3)5 
4)7

Answer 1

Explanation:

5 moles of electron is needed for the reduction of each mole of Cr in the reaction.

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