World of Chemistry
World of Chemistry
7th Edition
ISBN: 9780618562763
Author: Steven S. Zumdahl
Publisher: Houghton Mifflin College Div
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Chapter 16.1, Problem 2RQ
Interpretation Introduction

Interpretation: To identify the correct conjugate acid-base pair.

Concept introduction: Whenever an acid donates a proton, it changes into a base, and whenever a base accepts a proton, an acid is formed. Conjugate acid-base pair can be defined as an acid and a base which differ only by the absence or presence of a proton.

Expert Solution & Answer
Check Mark

Answer to Problem 2RQ

a, e, and f represents correct conjugate acid-base pair.

Explanation of Solution

Reason for correct option:

(a)

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  1

Here, OH abstracts proton from HSO4 and hence OH acts as base and HSO4 acts as an acid.

(e)

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  2

Here, OH abstracts proton from HCl and hence OH acts as base and HCl acts as an acid.

(f)

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  3

Here, OH abstracts proton from H2O and hence OH acts as base and H2O acts as an acid.

Conclusion

Reason for incorrect options:

b)

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  4

Here, OH abstracts proton from HBr and hence OH acts as base and HBr acts as an acid.

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  5

Here, OH abstracts roton from HBrO and hence OH acts as base and HBrO acts as an acid.

c)

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  6

  OH abstract proton from H2PO4 and hence OH acts as base and H2PO4 acts as an acid.

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  7

Here, OH abstracts proton from HPO42 and hence OH acts as base and HPO42 acts as an acid.

d)

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  8

Here, OH abstracts proton from HNO3 and hence OH acts as base and HNO3 acts as an acid.

  World of Chemistry, Chapter 16.1, Problem 2RQ , additional homework tip  9

Here, OH abstracts proton from HNO2 and hence OH acts as base and HNO2 acts as an acid.

Chapter 16 Solutions

World of Chemistry

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