Problem

Problem

Direction (Q. Nos. 1-8) This section contains 8 multiple choice questions. Each question has four choices (a), (b), (c) and (d) out of which ONLY ONE option is correct. Out of the following reactions, disproportionation is not observed in a. NH4NO3→N2O+2H2O\text{NH}_4\text{NO}_3 \rightarrow \text{N}_2\text{O} + 2\text{H}_2\text{O} b. Cu2O→CuO+Cu\text{Cu}_2\text{O} \rightarrow \text{CuO} + \text{Cu} c. 2H2O2→2H2O+O22\text{H}_2\text{O}_2 \rightarrow 2\text{H}_2\text{O} + \text{O}_2 d. 6S+12KOH→2K2SO3+4K2S+6H2O6\text{S} + 12\text{KOH} \rightarrow 2\text{K}_2\text{SO}_3 + 4\text{K}_2\text{S} + 6\text{H}_2\text{O}

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