Which of the following base is weakest
$N{H_4}OH:{K_b} = 1.6 \times {10^{ - 6}}$
${C_6}{H_5}N{H_2}:{K_b} = 3.8 \times {10^{ - 10}}$
${C_2}{H_5}N{H_2}:{K_b} = 5.6 \times {10^{ - 4}}$
${C_6}{H_7}N:{K_b} = 6.3 \times {10^{ - 10}}$
For a concentrated solution of a weak electrolyte ( $K _{ eq }=$ equilibrium constant) $A _2 B _3$ of concentration ' $c$ ', the degree of dissociation " $\alpha$ ' is
The $pH$ of a $0.1\ M$ aqueous solution of a very weak acid $(HA)$ is $3$. What is its degree of dissociation ?......$\%$
$0.2$ molar solution of formic acid is ionized $3.2\%$. Its ionization constant is
The $pH$ of two equimolar weak acids are $3.0$ and $5.0$ respectively. Their relative strength is
What is the $pH$ of $0.1\,M\,N{H_3}$