Explanation As the electronegativity or the oxidation number of the central atom in an oxoacid is increased, higher electrons density is attracted toward the central atom, making the O − H bond more polar. This results in the easy liberation of H + ion leading to the more acidic strength of an oxoacid. For the given species H 2 Se , H 2 S , and H 2

3rd Edition

ISBN: 9780073402734

Author: Julia Burdge

Publisher: MCGRAW-HILL HIGHER EDUCATION

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Question

Chapter 16, Problem 90QP

Interpretation Introduction

Interpretation:

The relative acidic strength of the given species is to be determined.

Concept introduction:

The ability of an acid to ionize indicates the strength of the acid.

The strength of an oxoacid depends on the polarity of the O−H bond present in it. The polarity is mainly dependent on the electronegativity of the central atom present in the oxoacid. More electronegative the central atom, more is its acidic strength.

The oxidation number of the central atom in the oxoacid also decides the strength of it, if the central atom is same for the oxoacids. Higher the oxidation number, more is the acidic strength of that oxoacid.

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Chapter 16, Problem 89QP

Chapter 16, Problem 91QP

Chapter 16 Solutions

Chemistry

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Solution Summary: The author explains that the relative acidic strength of a given species is determined by the ability of an acid to ionize.

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