1.

A weak acid HX has the dissociation constant 1 xx 10^(-5) M. It forms a salt NaX on reaction with alkali. The precentage hydrolysis of 0.1 M solution of NaX is

Answer»

1.0E-6
0.0001
0.001
0.0015

Solution :`h = sqrt((K_(w))/(K_(a) xx c)) = sqrt((10^(-14))/(10^(-5) xx 0.1)) = 10^(-4)`,
Hence, % HYDROLYSIS `= 10^(-4) xx 100 = 0.01`


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