Match the following reactions in Column I with their unit of rate constant in Column II:

Column I:
(A) → +
(B) CH3COOC2H5 + → CH3COONa +
(C) 2 → 2 +
(D) + 2I⁻ + 2H⁺ → 2 +

Question

Match the following reactions in Column I with their unit of rate constant in Column II:

Column I:
(A) $SO_2$$Cl_2$ → $SO_2$ + $Cl_2$
(B) CH3COOC2H5 + $NaOH$ → CH3COONa + $C_2H_5OH$
(C) 2$H_2O_2$ → 2$H_2O$ + $O_2$
(D) $H_2O_2$ + 2I⁻ + 2H⁺ → 2$H_2O$ + $I_2$

Column II:
(P) s⁻¹
(Q) min⁻¹
(R) L mol⁻¹ min⁻¹
(S) L mol⁻¹ s⁻¹

Prashant Kotian · Accepted Answer

Correct answer: A→P,Q; B→R,S; C→P,Q; D→R,S. (A) decomposition is first-order: s⁻¹ or min⁻¹ (P,Q). (B) Saponification is second-order: L mol⁻¹ min⁻¹ or L mol⁻¹ s⁻¹ (R,S). (C) decomposition is first-order: P,Q. (D) Acidic iodination is second-order: R,S.

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