Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 94

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The solubility product of ${BaCrO}_{4}$ is $2.4 \times 10^{- 10} M^{2}$ . The maximum concentration of $Ba {({NO}_{3})}_{2}$ possible without precipitation in a $6 \times 10^{- 4} M K_{2} {CrO}_{4}$ solution is

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Important Questions on Equilibrium

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 95

The solubility of

{CaF}_{2} (K_{sp} = 3.4 \times 10^{- 11})

in

0.1 M

solution of

NaF

would be

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 96

The precipitate of ${CaF}_{2} (K_{sp} = 1.7 x 10^{- 10})$ is obtained when equal volumes of the following are mixed.

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 97

Let the solubilities of

AgCI in H_{2} O, 0.01 M {CaCI}_{2}, 0.01 M NaCI & 0.05 M {AgNO}_{3}

be

S_{1}, S_{2}, S_{3} & S_{4}

respectively what is the correct relationship between these quantities. Neglect any complexation.

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 98

A certain indicator (an organic dye) has

{pK}_{a} = 5

. For which of the following titrations may it be suitable?

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 99

The

pH

indicators are:

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 100

What fraction of an indicator

Hln

is in basic form at a

pH

of

6

if the

{pK}_{a}

of the indicator is

5 ?

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 102

At

25 ° C

dissociation constant of acid

HA

and base

BOH

in aqueous solution is same. The

pH

of

0.1 M

solution of

HA

is

5

. The

pH of 0.1 M

solution of

BOH

at the same temperature is

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Beta Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>EXERCISE-1>Q 104

The degree of hydrolysis of

0.1 M

solution of conjugate base of

HA is 0.01

. Find the

H^{+}

concentration in

0.4 M

solution of

A^{-}