EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2016>Q 9

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IMPORTANT

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Which of the following statements is correct?

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Important Questions on Equilibrium

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2018>Q 1

Passing

H_{2} S

gas into a mixture of

{Mn}^{+ 2}, {Ni}^{2 +}, {Cu}^{2 +}

and

{Hg}^{2 +}

ions in an acidified aqueous solution precipitate

MEDIUM

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2018>Q 2

An acid solution of

pH = 6

is diluted

1000

times. The

pH

of the final solution becomes

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2016>Q 3

The acid dissociation constants of methanoic acid, monochloroethanoic acid and ethanoic acid are

K_{1}, K_{2}

and

K_{3}

respectively. If

K_{2} > K_{1} > K_{3}

, then

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2016>Q 4

The equilibrium constant for the reaction

N_{2} + 3 H_{2} ⇌ 2 {NH}_{3}

is

K_{p}

. The equilibrium constant for the reaction

{NH}_{3} ⇌ \frac{1}{2} N_{2} + \frac{3}{2} H_{2}

will be

HARD

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2016>Q 5

The negative logarithm of dissociation constant of

{NH}_{4} OH

is

4.745

. A buffer solution contains

0.035

mole

{NH}_{4} OH

and

0.35

mole

{NH}_{4} Cl

per litre. The

pH

of the buffer solution is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2016>Q 6

The solubility product of

{PbCl}_{2}

at

298 K

is

32 \times 10^{- 6}

. The solubility of

{PbCl}_{2}

is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2016>Q 7

The solution having highest

pH

is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 5 - Equilibrium>Assam CEE 2016>Q 8

0.004 M

{Na}_{2} {SO}_{4}

is isotonic with

0.01 M

glucose solution. The degree of dissociation of

{Na}_{2} {SO}_{4}

is