First slide

Ionic product of water

Question

If the ionic product of water is $\large 1.96\, \times \,{10^{ - 14}}$ at 35⁰C, its value at 10⁰C is

Easy

A

$1.96\, \times \,{10^{ - 14}}$
B

$3.92\, \times \,{10^{ - 14}}$
C

$2.95\, \times \,{10^{ - 15}}$
D

$1.96\, \times \,{10^{ - 13}}$

Solution

As temperature decreases, the value of K_walso decreases because the dissociation of water is an endothermic process.

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