Question

# Find the n-factor in the following chemical changes.$$FeSO_4\rightarrow Fe_2O_3$$

A
2
B
1
C
3
D
none of these

Solution

## The correct option is B 1Here oxidation state of Fe is changing from +2 to +3,So,n-factor$$=1\times(+2)-1\times(+3)=1$$Chemistry

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