1.

For the redox reaction Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-) is basic medium, coefficients of Zn, NO_(3)^(-) and OH^(-) in the balanced equation respectively are :

Answer»

4, 1, 7
7, 4, 1
4, 1, 10
1, 4, 10

Answer :C


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