Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 14

HARD

12th Tamil Nadu Board

IMPORTANT

Earn 100

$MY$ and ${NY}_{3}$ are insoluble salts and have the same $K_{sp}$ values of $6.2 \times 10^{- 13}$ at room temperature. Which statement would be true with regard to $MY$ and ${NY}_{3}$ ?

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Important Questions on Ionic Equilibrium

HARD

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 15

What is the

pH

of the resulting solution when equal volumes of

0.1 M

NaOH

and

0.01 M

HCl

are mixed?

HARD

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 16

The dissociation constant of a weak acid is 1 x 10^-3. In order to prepare a buffer solution with a

pH = 4

, the

\frac{[acid]}{[salt]}

ratio should be

HARD

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 17

The

pH of 10^{- 5} M KOH

solution will be

HARD

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 18

H_{2} {PO}_{4}^{-}

is the conjugate base of

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 19

Which of the following can act as Lowry – Bronsted acid as well as base?

HARD

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 20

The

pH

of an aqueous solution is Zero. The solution is

HARD

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 21

The hydrogen ion concentration of a buffer solution consisting of a weak acid and its salt is given by

HARD

12th Tamil Nadu Board

IMPORTANT

Chemistry Standard 12 Vol II>Chapter 1 - Ionic Equilibrium>EVALUATION>Q 22

Which of the following relation is correct for degree of hydrolysis of ammonium acetate?