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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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In each of the following chemical equations, identify the conjugate acid—base pairs.

a. HF ( aq ) +H 2 O ( l ) F - ( aq ) +H 3 O + ( aq ) b. CN ( aq ) + H 2 O ( l ) HCN ( aq ) + OH ( aq )

c. HCO 3 - ( aq ) +H 2 O ( l ) H 2 CO 3 ( aq ) +OH - ( aq )

Interpretation Introduction

(a)

Interpretation:

The conjugate acid-base pair should be identified.

Concept Introduction:

Conjugate acids and bases are formed by the reactions that involves addition and removal of protons from a chemical species. Conjugate acid is formed by the addition of a hydrogen to a base and once formed, it can donate a proton. On the other hand, a conjugate base is formed if an acid loss or donates its proton. Once the conjugate base is formed it can accept a proton. A conjugate acid is formed from a base while conjugate base is formed from an acid, such pairs are called conjugate acid base pairs. For this kind of a reaction to happen, proton transfer between species is a necessity. So, an acid base reaction should occur.

Which can be summarized as follows,

Acid + BaseConjugate Base + Conjugate Acid.

Explanation

HF is an acid and it reacts with H2 O, the base. HF donates its proton to H2 O...

Interpretation Introduction

(b)

Interpretation:

The conjugate acid-base pair should be identified.

Concept Introduction:

Conjugate acids and bases are formed by the reactions that involves addition and removal of protons from a chemical species. Conjugate acid is formed by the addition of a hydrogen to a base and once formed, it can donate a proton. On the other hand, a conjugate base is formed if an acid loss or donates its proton. Once the conjugate base is formed it can accept a proton. A conjugate acid is formed from a base while conjugate base is formed from an acid, such pairs are called conjugate acid base pairs. For this kind of a reaction to happen, proton transfer between species is a necessity. So, an acid base reaction should occur.

Which can be summarized as follows,

Acid + BaseConjugate Base + Conjugate Acid.

Interpretation Introduction

(c)

Interpretation:

The conjugate acid-base pair should be identified.

Concept Introduction:

Conjugate acids and bases are formed by the reactions that involves addition and removal of protons from a chemical species. Conjugate acid is formed by the addition of a hydrogen to a base and once formed, it can donate a proton. On the other hand, a conjugate base is formed if an acid loss or donates its proton. Once the conjugate base is formed it can accept a proton. A conjugate acid is formed from a base while conjugate base is formed from an acid, such pairs are called conjugate acid base pairs. For this kind of a reaction to happen, proton transfer between species is a necessity. So, an acid base reaction should occur.

Which can be summarized as follows,

Acid + BaseConjugate Base + Conjugate Acid.

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