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Hydrolysis constant for a salt of weak a...

Hydrolysis constant for a salt of weak acid and weak base would be

A

`K_(h)=(K_(w))/(K_(a))`

B

`K_(h)=(K_(w))/(K_(b))`

C

`K_(h)=(K_(w))/(K_(a)K_(b))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`K_(h)=(K_(w))/(K_(a)xxK_(b))`
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Knowledge Check

  • The hydrolysis constant of a salt of weak acid and weak base is inversely proportional to

    A
    ionic product constant of water
    B
    dissociation constant of both acid and weak base
    C
    dissociation constant of weak acid
    D
    dissociation constant of weak base

  • 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

  • Hydrolysis of the salt of a strong acid and weak base will

    A
    Increase with increase in temperature
    B
    Decrease with increase in temperature
    C
    Remains unaffected with change in temperature
    D
    Remains uneffected with change in concentration of the salt

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