Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.1>Q 10

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The percentage ionisation of a weak acid is $1 %$ at $1 M,$ hence, the percentage ionisation at $4 M$ is

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Important Questions on Ionic Equilibrium

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JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.1>Q 11

$BOH$ is a weak base. The molar concentration of $BOH$ that provides an $[{OH}^{-}]$ of $1.5 \times 10^{- 3} M$ is

$[K_{b} [BOH] = 1.5 \times 10^{- 5} M]$

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.1>Q 12

One litre of water contains

10^{- 5}

moles of

H^{+}

ions at

25 ° C

. What is the percentage ionisation of water in solution?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.1>Q 13

Which of the following statements is/are correct?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.1>Q 14

Which of the following statements is/are correct?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.1>Q 15

If

K_{a 1}

and

K_{a 2}

of

H_{2} {SO}_{4}

are

10^{- 2}

and

10^{- 6}

, respectively then,

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JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.1>Q 16

K_{a}

values for

HA, HB

and

HD

are

10^{- 5}, 10^{- 7}

and

10^{- 9}

, respectively. Which of the following will be correct for decimolar aqueous solutions of

NaA, NaB

, and

NaD

a

25 ° C

?

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JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.2>Q 1

The average concentration of

{SO}_{2}

in the atmosphere over a city on a certain day is

10 ppm

, when the average temperature is

298 K

. Given that the solubility of

{SO}_{2}

in water at

298 K

is

1.3653

moles {litre}^{- 1}

and

{pK}_{a}

of

H_{2} {SO}_{3}

is

1.92

, estimate the

pH

of rain on that day.

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JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 7 - Ionic Equilibrium>DPP 7.2>Q 2

Percentage ionization of water at certain temperature is

3.6 \times 10^{- 7} %

. Calculate

K_{w}

and

pH

of water.