The Complete Balanced Equation Is: CuO + NH3 → Cu + N2 + H2O

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SolveGuidesJoin / LoginUse appLogin0You visited us 0 times! Enjoying our articles? Unlock Full Access!Standard XIIChemistryQuestionThe complete balanced equation is:CuO+NH3→Cu+N2+H2O
  1. 3CuO+2NH3→3Cu+N2+3H2O
  2. None of these
  3. 3CuO+NH3→3Cu+N2+3H2O
  4. CuO+2NH3→3Cu+2N2+3H2O
A3CuO+2NH3→3Cu+N2+3H2OBCuO+2NH3→3Cu+2N2+3H2OC3CuO+NH3→3Cu+N2+3H2ODNone of theseOpen in AppSolutionVerified by Toppr

The unbalanced redox equation is as follows:CuO+NH3→Cu+N2+H2OBalance all atoms other than H and O.CuO+2NH3→Cu+N2+H2OThe oxidation number of Cu changes from 2 to 0. The change in the oxidation number of Cu is 2.The oxidation number of N changes from -3 to 0. The change in the oxidation number of one atom of N is 3. For 2 N atoms, the total change is 6.The increase in the oxidation number is balanced with decrease in the oxidation number by multiplying CuO and Cu with 3.3CuO+2NH3→3Cu+N2+H2OO atoms are balanced by adding 2 water molecule on RHS. 3CuO+2NH3→3Cu+N2+3H2OH atoms are balanced.This is the balanced chemical equation.

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