In the reaction 3CuO + 2NH3 → N2 + 3H2O + 3Cu
In the reaction
3CuO + 2NH3 → N2 + 3H2O + 3Cu
the change of NH3 to N2 involve …………
(A) loss of 6 electrons per mol of N2
(B) loss of 3 electrons per mol of N2
(C) gain of 6 electrons per mole N2
(D) gain of 3 electrons per mole N2
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