Calculate $pH$ of solution of $6.0$ $gm$ acetic acid in $250$ $mL$. ( ${K_a} = 1.8 \times {10^{ - 5}}$ at $298$ $K$ ) ( $C = 12, H = 1, O = 16$ )
The ionisation constant of acetic acid is $1.8 \times 10^{-5}$. The concentration at which it will be dissociated to $2\%$, is
$5.0$ $pH$ containing solution is dilute $100$ times. Calculate $pH$ of dilute solution.
Which of the following will occur if a $0.1 \,M$ solution of a weak acid is diluted to $0.01\,M$ at constant temperature
What is the $pH$ of $0.001 \,M$ aniline solution? The ionization constant of aniline can be taken from Table . Calculate the degree of ionization of aniline in the solution. Also calculate the ionization constant of the conjugate acid of aniline.
Base | $K _{ b }$ |
Dimethylamine, $\left( CH _{3}\right)_{2} NH$ | $5.4 \times 10^{-4}$ |
Triethylamine, $\left( C _{2} H _{5}\right)_{3} N$ | $6.45 \times 10^{-5}$ |
Ammonia, $NH _{3}$ or $NH _{4} OH$ | $1.77 \times 10^{-5}$ |
Quinine, ( $A$ plant product) | $1.10 \times 10^{-6}$ |
Pyridine, $C _{5} H _{5} N$ | $1.77 \times 10^{-9}$ |
Aniline, $C _{6} H _{5} NH _{2}$ | $4.27 \times 10^{-10}$ |
Urea, $CO \left( NH _{2}\right)_{2}$ | $1.3 \times 10^{-14}$ |