In the equation NO−2+H2O→NO−3+2H++ne−,n stands for :
A
1
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B
2
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C
3
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D
4
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Solution
The correct option is A 2 Given th eeaction: NO−2+H2O→NO−3+2H++2e− +3 +5 As change in oxidation state of N is +2, number of electrons transferred is given by n which is 2.