What is degree of ionisation?

Important Questions on Chemical Equilibrium and Acids - Bases

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 33

What is the measure of strength of an acid and base ?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 34

Give two examples of salts whose aqueous solutions are basic.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 35

Give two examples of salts whose aqueous solutions are acidic.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 36

What equation is used for calculating the $\mathrm{pH}$ of an acid buffer ?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 37

Phosphoric acid$\left({\mathrm{H}}_3{\mathrm{PO}}_4\right)$ have three ionization constants ${\mathrm{K}}_{{\mathrm{a}}_1},{\mathrm{K}}_{{\mathrm{a}}_2},\mathrm{and} {\mathrm{K}}_{{\mathrm{a}}_3}$. Among these ionisation constants which has a lower value ? Give reason for it ?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 38

Ice melts slowly at high altitudes.Explain.Why?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 39

Write the expression for the equilibrium constant, ${\mathrm{K}}_{\mathrm{c}}$ for the following reaction:
$2\mathrm{N}\mathrm{O}\mathrm{C}\mathrm{l}\mathrm{}\left(\mathrm{g}\right)\rightleftharpoons 2\mathrm{N}\mathrm{O}\mathrm{}\left(\mathrm{g}\right)+\mathrm{}{\mathrm{C}\mathrm{l}}_2\mathrm{}\left(\mathrm{g}\right)$

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 7 - Chemical Equilibrium and Acids - Bases>QUESTIONS>Q 39

Write the expression for the equilibrium constant, ${\mathrm{K}}_{\mathrm{c}}$ for the following reaction:
$2\mathrm{C}\mathrm{u}{\left({\mathrm{N}\mathrm{O}}_3\right)}_2\mathrm{}\left(\mathrm{s}\right)\mathrm{}\rightleftharpoons 2\mathrm{C}\mathrm{u}\mathrm{O}\mathrm{}\left(\mathrm{s}\right)+4{\mathrm{N}\mathrm{O}}_2\mathrm{}\left(\mathrm{g}\right)+{\mathrm{O}}_2\mathrm{}\left(\mathrm{g}\right)$