An aqueous solution of a salt of a weak base and a strong acid is acidic because of:

electrolysis

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hydrolysis

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dissociation

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none of the above

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Solution

The correct option is B hydrolysis
A salt of strong acid and weak base undergo hydrolysis on action with water and flourishes $H^{+}$ ion due to hydrolysis of cation. Hence, an aqueous solution of a salt of a weak base and a strong acid is acidic.

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Similar questions

Question 05.
Sodium carbonate is a basic salt because it is a salt of
(a) strong acid and strong base
(b) weak acid and weak base
(c) strong acid and weak base
(d) weak acid and strong base

Q. The pH of an aqueous solution of

0.1 M

solution of the salt of a weak base

(K_{b} = 1.0 \times 10^{- 5})

and a strong acid is:

Q. Assertion :The pH of an aqueous solution of sodium acetate is more than

7

. Reason: Sodium acetate is a salt of a weak acid (acetic acid) and a strong base (NaOH). It undergoes hydrolysis in aqueous solutions.

C H_{3} C O O N a + H_{2} O \to C H_{3} C O O H + N a^{+} + O H^{-}

Acetic acid is weak acid and is partially dissociated whereas NaOH is a strong base and completely dissociated.

Read the above assertion and reason and choose the correct option regarding it.

Q. Assertion :Aqueous solution of

C H_{3} C O O N H_{4}

is exactly neutral.

(K_{a} = K_{b})

Reason:

C H_{3} C O O N H_{4}

is a salt of weak acid and strong base.

Q. A strong acid and a weak base reacts to form a salt. What will be the pH value of this salt in aqueous solution?

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An aqueous solution of a salt of a weak base and a strong acid is acidic because of:

The correct option is B hydrolysisA salt of strong acid and weak base undergo hydrolysis on action with water and flourishes H+ ion due to hydrolysis of cation. Hence, an aqueous solution of a salt of a weak base and a strong acid is acidic.

The correct option is B hydrolysis
A salt of strong acid and weak base undergo hydrolysis on action with water and flourishes $H^{+}$ ion due to hydrolysis of cation. Hence, an aqueous solution of a salt of a weak base and a strong acid is acidic.