For the redox reaction: \( \mathrm{Zn}+\mathrm{NO}_{3}^{-} \rightarrow \mathrm{Zn}^{2+}+\mathrm{...

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For the redox reaction:
\( \mathrm{Zn}+\mathrm{NO}_{3}^{-} \rightarrow \mathrm{Zn}^{2+}+\mathrm{NH}_{4}^{+} \)
Medium, coefficient of \( \mathrm{Zn}, \mathrm{NO}_{3}^{-} \)and \( \mathrm{OH}^{-} \)in the balanced equation respectively are
(1) \( 4,1,7 \)
(2) \( 7, 4, 1 \)
(3) \( 4,1,10 \)
(4) \( 1,4,10 \)
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