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Catalysis

The ionisatio...

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The ionisation constant of organic acid RCOOH at 25°C is 10^-6 .The equilibrium constant of hydrolysis of RCOO- is

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R C O N H_{2}

undergo acid catalysed hydrolysis to give:

Q. The hydrolysis constant of

N H_{4} C l

4 \times 10^{- 10}

p H

of 0.1 molar solution of

N H_{4} C l

at equilibrium at

25^{\circ} C

Q. Hydrolysis constant of

N H_{4}^{+}

5.55 \times 10^{- 10} .

Calculate the ionisation constant of

N H_{4}^{+}

.

Q. Ionisation constant of each HA (Weak acid) and BOH (weak base) are

3.0 \times 10^{- 7}

298 K

. The percentage degree of hydrolysis of BA at the dilution of

10 L

p K_{b}

for fluoride ion at

25^{\circ} C

10.83

. The ionisation constant of hydrofluoric acid at this temperature is:

a n t i l o g ¯ 4 . 83 = 6.76 \times 10^{- 4}

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