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Which of the following factors will incr...

Which of the following factors will increase the solubility of `NH_(3)` gas in `H_(2)O`?
a. Increase in pressure
b. Addition of water
c. Increase in temperature
Decrease in pressure

A

On decreasing temperature

B

On increasing temperature

C

on decreasing pressure

D

Solubility can not be increased

Text Solution

Verified by Experts

The correct Answer is:
A
`NH_(3) rarr NH_(3)(aq)`
The solubility increases
By increasing the pressure
By decreasing the temperature (since dissolution of a gas is an exothermic process)
Note : Solubility is the amount of a solute dissolution per litre of the solution. So, adding `H_(2)O` to a solution of `NH_(2)` will increase its amount that can be dissolved but not its solubility.
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