Redox and Equivalent ConceptHard

Question

For the redox reaction, Zn + NO3− → Zn2+ + NH4+ in basic medium, the coefficients of Zn, NO3− and OH− in the balanced equation, respectively, are

Options

A.4, 1, 7
B.7, 4, 1
C.4, 1, 10
D.1, 4, 10

Solution

$4Zn + NO_{3}^{-} + 7H_{2}O \rightarrow 4Zn^{2 +} + NH_{4}^{+} + 10OH^{-}$

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