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Question

In the equation NO2+H2ONO3+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:
NO2+H2ONO3+2H++2e
+3 +5
As change in oxidation state of N is +2, number of electrons transferred is given by n which is 2.

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