Question

Write a balanced half-reaction for the reduction of NO3-(aq) to NO(g) in an acidic solution.
A.NO3-(aq) + 4 H+(aq) NO(g) + 2 H2O()
B.NO3-(aq) + 4 H+(aq) + 3 e- NO(g) + 2 H2O()
C.NO3-(aq) + 3 e- NO(g) + O2(g)
D.NO3-(aq) + 4 e- NO(g) + O2(g)
E.NO3-(aq) + 4 H+(aq) NO(g) + 2 H2O() + 2 e-

Answer

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