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If a salt of weak acid or base is added ...

If a salt of weak acid or base is added to a solution of its acid or base respectively, then:

A

dissociation of acid or base is diminished

B

pH of the solution in case of acid increase and in case of case decreases

C

mixing of two leads for common ion effect

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
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pH of weak Acid & Base. Brief

The degree of hydrolysis of a salt of a weak acid and a weak base in its 0.1 M solution is found to be 50%. If the molarity of the solution is 0.2 M, the percentage hydrolysis of the salt should be

Knowledge Check

  • A salt of weak acid and weak base undergoes

    A
    Only cationic hydrolysis
    B
    Only anionic hydrolysis
    C
    Both cationic and anionic hydrolysis
    D
    Neither cationic nor anionic hydrolysis

  • Asseration : A queous solution of ammonium carbonate is basic. Reason : Acidic/basic nature of a salt of weak acid base depends on K_(a) and K_(b) value of the acid and the base forming it.

    A
    Both A and R are ture and R is correct explanation of A.
    B
    Both A and R are true but R is not correct explanation of A.
    C
    A is the false but R is true.
    D
    Both A and R are false.

  • Aqueous solution of weak acid and weak base is

    A
    Acidic
    B
    Basic
    C
    Neutral
    D
    Either acidic or basic

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    The degree of hydrolysis of a salt of weak acid and weak base in its 0.1 M solution is 0.2 M, the precentage hydrolysis of the salt should be

    The degree of hydrolysis of salt of weak acid and weak base in its 0.1M solution is found to be 5%. If the molarity of the solution of same salt is 0.5 M, then the percentage degree of hydrolysis of the salt should be :-

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    Assertion (A) : Aqueous solution of ammonium carbonate is basic. Reason (R) : Acidic/basic nature of a salt solution of a salt of weak acid and weak base depends on K_(a) and K_(b) value of the acid and the base forming it.

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