Chemical Reactions and Equations Q27 — Class 10 Chemistry Solution

Chemistry-10th Chemical Reactions and Equations CBSE Board 2023 Medium

(a) Identify the reducing agent in the following reactions :

(i) $4 NH_{3} + 5 O_{2} \to 4 NO + 6 H_{2} O$
(ii) $H_{2} O + F_{2} \to HF + HOF$
(iii) $Fe_{2} O_{3} + 3 CO \to 2 Fe + 3 CO_{2}$
(iv) $2 H_{2} + O_{2} \to 2 H_{2} O$ (b) Define a redox reaction in terms of gain or loss of oxygen.

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