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pH, ionization constant K(a) and concent...

pH, ionization constant `K_(a)` and concentration c of the solution of the salt of a weak acid and strong base (like `CH_(3)CO Ona)` are related as ........... .

Text Solution

Verified by Experts

The correct Answer is:
`pH=7+(1)/(2) [ pK_(a) + log c ]`
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Knowledge Check

  • 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

  • Degree hydrolysis (h) of a salt of weak acid and a strong base is given by

    A
    `h=sqrt((K_h)/c)`
    B
    `h=sqrt(K_h)`
    C
    `h=sqrt(c/(K_h))`
    D
    `h=sqrt((K_w)/(K_b))`

  • Aqueous solution of salt of strong base and weak acid

    A
    Undergoes anionic hydrolysis
    B
    Is basic in nature
    C
    Has `P^(H)` greater than `7`
    D
    All the above

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    Which of the following relations is correct during the hydrolysis of salts of weak acid and strong bases ?

    In hydrolysis of a salt of weak acid and strong base, the hydrolysis constant (K_a) is equal to

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