The dissociation constant of a substituted benzoic acid at 25∘C is 1.0 ×10−4. The pH of a 0.01 M solution of its sodium salt is

Name: Video solution 1: The dissociation constant of a substituted benzoic acid at 25∘C is 1.0 ×10−4. The pH of a 0.01 M solution of its sodium salt is
Uploaded: 2022-10-26T07:56:28.000Z
Duration: 2 min
Description: Video solution 1: The dissociation constant of a substituted benzoic acid at 25∘C is 1.0 ×10−4. The pH of a 0.01 M solution of its sodium salt is

pH of sodium salt of weak acid=21(pKw+pKa+logC)=21(14+4−2)=8

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The dissociation constant of a substituted benzoic acid at 25^

Question

Hard

Solving time: 5 mins

The dissociation constant of a substituted benzoic acid at $2 5^{\circ} C$ is $1.0$ $\times 1 0^{- 4}$ . The $pH$ of a $0.01 M$ solution of its sodium salt is

8.0

8.5

7.6

10.0

Views: 6,278 students

Updated on: Oct 26, 2022

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The dissociation constant of a substituted benzoic acid at

2 5^{\circ} C

1.0

\times 1 0^{- 4}

. The

pH

of a

0.01 M

solution of its sodium salt is

9 mins ago

Discuss this question LIVE

9 mins ago

Text solutionVerified

pH

of sodium salt of weak acid

= \frac{1}{2} (p K_{w} + p K_{a} + lo g C) = \frac{1}{2} (14 + 4 - 2) = 8

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Question Text	The dissociation constant of a substituted benzoic acid at $2 5^{\circ} C$ is $1.0$ $\times 1 0^{- 4}$ . The $pH$ of a $0.01 M$ solution of its sodium salt is
Updated On	Oct 26, 2022
Topic	Equilibrium
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 1
Upvotes	158
Avg. Video Duration	2 min

The dissociation constant of a substituted benzoic acid at $2 5^{\circ} C$ is $1.0$ $\times 1 0^{- 4}$ . The $pH$ of a $0.01 M$ solution of its sodium salt is

Text solutionVerified

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The dissociation constant of a substituted benzoic acid at 25∘C is 1.0 ×10−4. The pH of a 0.01 M solution of its sodium salt is

Text solutionVerified

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The dissociation constant of a substituted benzoic acid at $2 5^{\circ} C$ is $1.0$ $\times 1 0^{- 4}$ . The $pH$ of a $0.01 M$ solution of its sodium salt is