Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 14

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$K_{c}$ for $A + B ⇌ C + D$ is $10$ at $25 ° C$ . If a container contains $1, 2, 3$ and $4 mol$ of $A, B, C$ and $D$ , respectively, at $25 ° C$ , the reaction shall

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Important Questions on Chemical Equilibrium

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IMPORTANT

Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 15

A

1 L

vessel contains

2 mol

each of gases

A, B, C

and

D

at equilibrium. If

1 mol

each of

A

and

B

are removed,

K_{c}

for

A + B ⇌ C + D

will be

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Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 16

Two samples of

HI

each of

5 g

were taken separately in two vessels of volume

5 L

and

10 L

at

27 ° C

. The extent of dissociation of

HI

will be

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Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 17

For a reversible reaction, if the concentrations of the reactants are doubled, the equilibrium constant will be

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Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 18

If one-third of

HI

decomposes at a particular temperature, the value of equilibrium constant

(K_{c})

for

2 HI ⇌ H_{2} + I_{2}

is

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Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 19

28 g

of

N_{2}

and

6 g

of

H_{2}

were mixed. At equilibrium,

17 g {NH}_{3}

was produced. The weights of

N_{2}

and

H_{2}

at equilibrium, respectively are

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Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 20

For the reaction

H_{2} (g) + I_{2} (g) ⇌ 2 HI (g)

, the equilibrium constant

(K_{p})

changes with

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Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 21

The oxidation of

{SO}_{2}

by

O_{2}

to

{SO}_{3}

is an exothermic reaction. The yield of

{SO}_{3}

will be maximum if

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Modern Approach to Chemical Calculations>Chapter 15 - Chemical Equilibrium>Objective Problems>Q 22

For the gas phase reaction

C_{2} H_{4} + H_{2} ⇌ C_{2} H_{6}; ΔH = - 32.7 kcal

, carried out in a vessel, the equilibrium concentration of

C_{2} H_{4}

can be increased by