For the reaction, NH ₃+ OCl ⁻ N ₂ H ₄+ Cl ⁻ occurring in basic medium, the coefficient of N ₂ H ₄ in the balanced equation will be

Step-by-step solution

The two half-reactions for the given reaction are 2 NH ₃ N ₂ H ₄+2 H ⁺+2 e⁻ OCl ⁻+2 H ⁺+2 e⁻ Cl ⁻+ H ₂ O On adding both the reactions, we get 2 NH ₃+ OCl ⁻ N ₂ H ₄+ Cl ⁻+ H ₂ O The obtained equation is a balanced equation and in it, the coefficient of N ₂ H ₄ is 1 .