Which of the following base is weakest
$N{H_4}OH:{K_b} = 1.6 \times {10^{ - 6}}$
${C_6}{H_5}N{H_2}:{K_b} = 3.8 \times {10^{ - 10}}$
${C_2}{H_5}N{H_2}:{K_b} = 5.6 \times {10^{ - 4}}$
${C_6}{H_7}N:{K_b} = 6.3 \times {10^{ - 10}}$
Which oxychloride has maximum $pH$
The $pH $ of a $0.01\,M$ solution of acetic acid having degree of dissociation $12.5\%$ is
For a weak acid $HA,$ Ostwald's dilution law is represented by the equation
A solution of weak acid $HA$ containing $0.01$ moles of acid per litre of solutions has $pH = 4$. The percentage degree of ionisation of the acid and the ionisation constant of acid are respectively.
The solubility of a salt of weak acid $( A B )$ at $pH 3$ is $Y \times 10^{-3} mol L ^{-1}$. The value of $Y$ is
. . . . . (Given that the value of solubility product of $A B \left( K _{ sp }\right)=2 \times 10^{-10}$ and the value of ionization constant of $H B \left( K _{ a }\right)=1 \times 10^{-8}$ )