Hydrolysis of Salts and pH of their Solutions

If the $\mathrm{pKa}$ of lactic acid is $5,$ the the $\mathrm{pH}$ of $0.005 \mathrm{M}$ calcium lactate solution at ${25}^{\mathrm{o}}\mathrm{C}$ is______$\times {10}^{-1}$(Nearest integer)

Aqueous solution of which of the following solution shows lower pH?

Match the following

The correct match is

Are all salts neutral? Do acidic and basic salts change the colour of litmus paper?

Why an aqueous solution of ${\mathrm{NH}}_4\mathrm{Cl}$ is acidic while that of $\mathrm{HCOOK}$ basic ?

What is meant by hydrolysis ? A solution of ${\mathrm{CH}}_3{\mathrm{COONH}}_4$ is neutral. Why ?

Define salt hydrolysis.

The $\mathrm{pH}$ of $1\times {10}^{-3} \mathrm{M} {\mathrm{H}}_2{\mathrm{O}}_2$ solution $\left({\mathrm{K}}_{\mathrm{a}}=2.2\times {10}^{-12}\right)$ is:

The $\mathrm{pH}$ of a $0.1 \mathrm{M}$ solution of ${\mathrm{NH}}_4\mathrm{Cl}$ is $5.13$ and if the dissociation constant of ${\mathrm{NH}}_4\mathrm{OH}$ is $\mathrm{A} \mathrm{X} {10}^{-5}$, Report the value of $\mathrm{A}$ in the nearest integer.

Which of the following salts will give a basic solution on hydrolysis? 

An aqueous solution of ammonium carbonate is

A weak acid is titrated with a weak base. Consider the following statements regarding the $\mathrm{pH}$ of the solution at the equivalence point:
(i) $\mathrm{pH}$ depends on the concentration of acid and base.
(ii) $\mathrm{pH}$ is independent of the concentration of acid and base
(iii) $\mathrm{pH}$ depends on the ${\mathrm{pK}}_{\mathrm{a}}$ of acid and ${\mathrm{pK}}_{\mathrm{b}}$ of base.
(iv) $\mathrm{pH}$ is independent of the ${\mathrm{pK}}_{\mathrm{a}}$ of acid and ${\mathrm{pK}}_{\mathrm{b}}$ of base.
The correct statements are:-

Solution A and B contains respectively $1$ and $2$ moles of ${\mathrm{CH}}_3{\mathrm{COONH}}_4$ in one litre. Then hydrolysis will be;

The $\mathrm{pH}$ of the solution, when
($\mathrm{i}$) Sodium acetate is dissolved in water.
($\mathrm{ii}$) Ammonium chloride is dissolved in water.

Which among the following produces a basic aqueous solution?

$\mathrm{pH}$, ionization constant ${\mathrm{K}}_{\mathrm{a}}$ and concentration $\mathrm{c}$ of the solution of the salt of a weak acid and strong base (like ${\text{CH}}_3\text{COONa}$) are related as_____.

(A) $\mathrm{pH}=7+\frac{1}{2}\left[{\mathrm{pK}}_{\mathrm{a}}+\mathrm{logc}\right]$

(B) $\mathrm{pH}=7-\frac{1}{2}\left[{\mathrm{pK}}_{\mathrm{a}}+\mathrm{logc}\right]$

(C) $\mathrm{pH}=7-\frac{1}{2}\left[{\mathrm{pK}}_{\mathrm{a}}-\mathrm{logc}\right]$

Enter the correct answer as A, B or C.

The degree of hydrolysis is dependent on concentration for:

What will be the degree of hydrolysis of 0.1 M solution of NaX? When a weak acid HX forms a salt NaX on reacting with NaOH and the dissociation constant of HX is 10^-5

Out of which of the following salt , the degree of hydrolysis is independent of the concentration of salt solution -