MCQ
In which process does the nitrogen undergo oxidation?
- A${N_2} \to 2N{H_3}$
- B$N_2O_4 \to 2NO_2$
- C$NO_3^- \to N_2O_5$
- ✓$NO_2^- \to NO_3^-$
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$Ag_2CO_{3(s)} \rightleftharpoons 2Ag^+_{(aq)} + CO^{2-}_{3(s)}$
in water at $25\, ^o C$ is $(R = 8.314\, J\, K^{-1}\,mol^{-1})$
(Given atomic member $\mathrm{V}=23, \mathrm{Mn}=25, \mathrm{Cr}=24$ )