Question

23.1(b) Consider the acid-catalysed reaction (1) \( \mathrm{HA}+\mathrm{H}^{+} \rightleftarrows \mathrm{HAH}^{+} \quad k_{\mathrm{a}} k_{\mathrm{a}}^{\prime} \), both fast (2) \( \mathrm{HAH}^{+}+\mathrm{B} \rightarrow \mathrm{BH}^{+}+\mathrm{AH} \quad k_{\mathrm{b}} \), slow Deduce the rate law.

          23.1(b) Consider the acid-catalysed reaction
(1) \( \mathrm{HA}+\mathrm{H}^{+} \rightleftarrows \mathrm{HAH}^{+} \quad k_{\mathrm{a}} k_{\mathrm{a}}^{\prime} \), both fast
(2) \( \mathrm{HAH}^{+}+\mathrm{B} \rightarrow \mathrm{BH}^{+}+\mathrm{AH} \quad k_{\mathrm{b}} \), slow

Deduce the rate law.

23.1(b) Consider the acid-catalysed reaction
(1) HA+H^+⇄HAH^+ ka ka^', both fast
(2) HAH^++B→BH^++AH kb, slow

Deduce the rate law.

Added by Tammy J.

Chemistry The Molecular Science

John W. Moore, Conrad L. Stanitski 5th Edition

Chapter 11

Instant Answer

Solved by Expert Supratim Pal

11/06/2024

Step 1

The slow step is the rate-determining step. In this reaction, step (2) is the slow step: \( \mathrm{HAH}^{+} + \mathrm{B} \rightarrow \mathrm{BH}^{+} + \mathrm{AH} \). Show more…

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23.1(b) Consider the acid-catalysed reaction (1) \( \mathrm{HA}+\mathrm{H}^{+} \rightleftarrows \mathrm{HAH}^{+} \quad k_{\mathrm{a}} k_{\mathrm{a}}^{\prime} \), both fast (2) \( \mathrm{HAH}^{+}+\mathrm{B} \rightarrow \mathrm{BH}^{+}+\mathrm{AH} \quad k_{\mathrm{b}} \), slow Deduce the rate law.