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Q. Match the column I with column II with the type of reaction and mark the appropriate choice.
Column I Column II
(A) $3Mg_{(s)} + N_{2(g)} \xrightarrow{\Delta} Mg_3N_{2(s)} $ (i) Displacement
(B) $NaH_{(s)} + H_2O_{(g)} \rightarrow NaOH_{(aq)} + H_{2(g)}$ (ii) Decomposition
(C) $3ClO^{-}_{(aq)} \rightarrow 2Cl^{-}_{(aq)} + ClO^{-}{3(aq)}$ (iii) Combination
(D) $2KClO_{3(s)} \rightarrow 2KCl_{(s)} + 3O_{2(g)}$ (iv) Disproportionation

Redox Reactions

Solution:

Correct answer is (d) (A) $\to$ (iii), (B) $\to$ (i), (C) $\to$ (iv), (D) $\to$ (ii)