Which solution contains maximum number of ${H^ + }$ ion
$0.1\, M$ $HCl$
$0.1 \,M$ $N{H_4}Cl$
$0.1\, M$ $NaHC{O_3}$
$0.1 \,M$ $Na_2C{O_3}$
In aqueous solution the ionization constants for carbonic acid are
$K_1 = 4.2 \times 10^{-7}$ and $K_2 = 4.8 \times 10^{-11}$
Select the correct statement for a saturated $0.034\, M$ solution of the carbonic acid.
For a weak acid $HA,$ Ostwald's dilution law is represented by the equation
The ionization constant of phenol is $1.0 \times 10^{-10} .$ What the concentration of phenolate ion in $0.05$ $M$ solution of phenol? What will be its degree of ionization if the solution is a lso $0.01$ $M$ in sodium phenolate?
The $pH $ of a $0.01\,M$ solution of acetic acid having degree of dissociation $12.5\%$ is
Sulphurous acid $\left( H _{2} SO _{3}\right)$ has $Ka _{1}=1.7 \times 10^{-2}$ and $Ka _{2}=6.4 \times 10^{-8} .$ The $pH$ of $0.588 \,M\, H _{2} SO _{3}$ is ..... . (Round off to the Nearest Integer)