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The solubility product of a soluble salt...

The solubility product of a soluble salt `A_(x)B_(y)` is given by : `K_(sp)=[A^(y+)]^(z)[B^(x-)]^(y)`. As soon as prodcut of concentration of `A^(y+)` and `B_(x-)`. Becomes more than its `K_(sp)`, the salt starts precipitation. It may practically be noticed that AgCI is more soluble in water and its solubility decreases dramatically in 0.1m NaCI or 0.1 m `AgNO_(3)` solution. It can be concluded that in presence of a common ion the solubility of salt decreases.
The salting out action of RCOONa (soap) in presence of NaCI is based on :

A

Buffering action

B

Hydrolysis of salt

C

Solubility product

D

Complex formation

Text Solution

Verified by Experts

The correct Answer is:
c
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The solubility product of a soluble salt A_(x)B_(y) is given by : K_(sp)=[A^(y+)]^(z)[B^(x-)]^(y) . As soon as prodcut of concentration of A^(y+) and B_(x-) . Becomes more than its K_(sp) , the salt starts precipitation. It may practically be noticed that AgCI is more soluble in water and its solubility decreases dramatically in 0.1m NaCI or 0.1 m AgNO_(3) solution. It can be concluded that in presence of a common ion the solubility of salt decreases. Which of the following statements wrong?

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