Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.1>Q 13

EASY

JEE Main

IMPORTANT

Earn 100

At a particular temperature and atmospheric pressure, the solid and liquid phases of a pure substance can exist in equilibrium. Which of the following term defines the temperature?

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Important Questions on Chemical Equilibrium

HARD

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.1>Q 14

Select the correct statements.

EASY

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.1>Q 15

Which are heterogeneous system?

MEDIUM

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.1>Q 16

Select the correct statements:

HARD

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.1>Q 17

{PCl}_{5} (g) ⇌ {PCl}_{3} (g) + {Cl}_{2} (g)

Which of the following sketches may represent the above equilibrium? Assume equilibrium can be achieved from either side and by taking anyone or more components initially.(Given

K_{C}

for the reaction

< 2

).

MEDIUM

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.2>Q 1

The equilibrium constant of a reaction doubles on increasing the temperature of the reaction from

25 ° C

to

35 ° C

. Calculate enthalpy change of the reaction, assuming it to be constant in this temperature range.

MEDIUM

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.2>Q 2

Sulphide ion in an alkaline solution reacts with solid sulphur to form polysulphide ions having formula

S_{2}^{^{2 -}}, S_{3}^{2 -}, S_{4}^{2 -}, etc . If K_{1} = 12 for S + S^{- 2} ⇌ S_{2}^{2 -} and K_{2} = 132 for 2 S + S^{2 -} ⇋ S_{3}^{2 -},

calculate

K_{3}

for

S + S_{2}^{2 -} ⇄ S_{3}^{2 -}

.

EASY

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.2>Q 3

Predict which of the following reaction will have an appreciable concentration of reactants and products:

{Cl}_{2} (g) ⇌ 2 Cl (g)

,

K_{c} = 5 \times 10^{- 39}

EASY

JEE Main

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part 1 JEE Main & Advanced>Chapter 6 - Chemical Equilibrium>DPP 6.2>Q 3

Predict which of the following reaction will have an appreciable concentration of reactants and products:

{Cl}_{2} (g) + 2 NO (g) ⇌ 2 NOCl (g)

,

K_{c} = 3.7 \times 10^{8}

.