The p K a value ranges of the following acids are to be determined without using a calculator. The exact p K a values of the following acids are to be determined by using a calculator. The stronger acid among the following is to be determined. Concept introduction: Mixture of acid and base undergoes equilibrium reaction and it’s pk a -values determine their direction of reaction. Weak acids are more stable and less reactive, so equilibrium follows the direction of formation weak acids in a reaction. Lesser the pk a - value of compound will be more acidic. So the equilibrium follows the direction of compounds having low pk a -value to the products of high pk a value Acid dissociation constant K a represents how strong the acid is in a solution. The strength of acid decreases as the value of p K a increases p K a = − log K a p K a represents the chance of losing proton from a compound.

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Chapter 2, Problem 71P

(a)

Interpretation Introduction

Interpretation:

The pKa value ranges of the following acids are to be determined without using a calculator. The exact pKa values of the following acids are to be determined by using a calculator. The stronger acid among the following is to be determined.

Concept introduction:

Mixture of acid and base undergoes equilibrium reaction and it’s pka-values determine their direction of reaction.

Weak acids are more stable and less reactive, so equilibrium follows the direction of formation weak acids in a reaction.

Lesser the pka- value of compound will be more acidic. So the equilibrium follows the direction of compounds having low pka-value to the products of high pka value

Acid dissociation constant Ka represents how strong the acid is in a solution. The strength of acid decreases as the value of pKa increases

pKa = − log Ka

pKa represents the chance of losing proton from a compound.

(b)

Interpretation Introduction

Interpretation: The pKa value ranges of the following acids are to be determined without using a calculator. The exact pKa values of the following acids are to be determined by using a calculator. The stronger acid among the following is to be determined.

Concept introduction:

Mixture of acid and base undergoes equilibrium reaction and it’s pka-values determine their direction of reaction.

Weak acids are more stable and less reactive, so equilibrium follows the direction of formation weak acids in a reaction.

Lesser the pka- value of compound will be more acidic. So the equilibrium follows the direction of compounds having low pka-value to the products of high pka value

Acid dissociation constant Ka represents how strong the acid is in a solution. The strength of acid decreases as the value of pKa increases

pKa = − log Ka

pKa represents the chance of losing proton from a compound.

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