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Match the List-I with List-II List-I (Redox Reaction) (A) CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) (B) 2NaH(s) → 2Na(s) + H2(g) (C) V2O5(s) + 5Ca(s) → 2V(s) + 5CaO(s) (D) 2H2O2(aq) → 2H2O(l) + O2(g) List-II (Type of Redox Reaction) (I) Disproportionation reaction (II) Combustion reaction (III) Decomposition reaction (IV) Displacement reaction Choose the correct answer from the options given below :

1. A-II, B-III, C-IV, D-I
2. A-II, B-III, C-I, D-IV
3. A-II, B-IV, C-I, D-II
4. A-IV, B-I, C-II, D-III

Correct answer: A-II, B-III, C-IV, D-I

Solution

Option A correctly identifies the types of redox reactions: (A) is a combustion reaction as it involves the burning of methane, (B) is a decomposition reaction since it breaks down sodium hydride into sodium and hydrogen gas, (C) is a displacement reaction where calcium displaces vanadium from its oxide, and (D) is a disproportionation reaction where hydrogen peroxide decomposes into water and oxygen.

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