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2.21. Under the influence of oxidizing agents, hypophosphorous acid is trans- formed into phosphorous acid: oxidizing agent H,PO, H;PO, Problems 37 The kinetics of this transformation present the following features. At a low concentration of oxidizing agent, "H,PO, = k[oxidizing agent][H;PO,] %3D At a high concentration of oxidizing agent, TH,PO, = k'[H*][H,PO,] To explain the observed kinetics, it has been postulated that, with hydrogen ions as catalyst, normal unreactive H,PO, is transformed reversibly into an active form, the nature of which is unknown. This intermediate then reacts with the oxidizing agent to give H,PO,. Show that this scheme does explain the observed kinetics.

2.21. Under the influence of oxidizing agents, hypophosphorous acid is trans- formed into phosphorous acid: oxidizing agent H,PO, H;PO, Problems 37 The kinetics of this transformation present the following features. At a low concentration of oxidizing agent, "H,PO, = k[oxidizing agent][H;PO,] %3D At a high concentration of oxidizing agent, TH,PO, = k'[H*][H,PO,] To explain the observed kinetics, it has been postulated that, with hydrogen ions as catalyst, normal unreactive H,PO, is transformed reversibly into an active form, the nature of which is unknown. This intermediate then reacts with the oxidizing agent to give H,PO,. Show that this scheme does explain the observed kinetics.

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter24: Coulometry
Section: Chapter Questions
Problem 24.4QAP: Halide ions can he deposited at a silver anode, the reaction being Ag(s) + X- AgX(s) +e- Suppose...
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2.21. Under the influence of oxidizing agents, hypophosphorous acid is trans- formed into phosphorous acid: oxidizing agent H,PO, H,PO, Problems 37 The kinetics of this transformation present the following features. At a low concentration of oxidizing agent, TH,PO, = k[oxidizing agent][H,PO,] At a high concentration of oxidizing agent, lH,PO, = k'[H*][H;PO,] To explain the observed kinetics, it has been postulated that, with hydrogen ions as catalyst, normal unreactive H,PO, is transformed reversibly into an active form, the nature of which is unknown. This intermediate then reacts with the oxidizing agent to give H,PO3. Show that this scheme does explain the observed kinetics.
Transcribed Image Text:2.21. Under the influence of oxidizing agents, hypophosphorous acid is trans- formed into phosphorous acid: oxidizing agent H,PO, H,PO, Problems 37 The kinetics of this transformation present the following features. At a low concentration of oxidizing agent, TH,PO, = k[oxidizing agent][H,PO,] At a high concentration of oxidizing agent, lH,PO, = k'[H*][H;PO,] To explain the observed kinetics, it has been postulated that, with hydrogen ions as catalyst, normal unreactive H,PO, is transformed reversibly into an active form, the nature of which is unknown. This intermediate then reacts with the oxidizing agent to give H,PO3. Show that this scheme does explain the observed kinetics.
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