Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 14

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$A + B ⇌ C + D, K_{c}$ for this reaction is $10$ . If $1, 2, 3, 4$ molelitre of $A, B, C, D$ respectively are present in a container at $25 ° C$ , the direction of reaction will be

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Important Questions on Equilibrium

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 15

For the reaction

CO (g) + 2 H_{2} (g) ⇌ {CH}_{3} OH (g)

. If active mass of

CO

is kept constant and active mass of

H_{2}

is tripled, the rate of forward reaction will become

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 16

The equilibrium constant for the reaction

H_{2} (g) + I_{2} (g) ⇌ 2 HI (g)

is 32 at a given temperature. The equilibrium concentrations of

I_{2}

and

HI

are

0.5 \times 10^{- 3} M

and

8 \times 10^{- 3}

M respectively. the equilibrium concentration of

H_{2}

is

-

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 17

For the reaction equilibrium : $2 {NOBr}_{(g)} ⇌ 2 {NO}_{(g)} + {Br}_{2 (g)},$ if $P_{{Br}_{2}} = \frac{P}{9}$ at equilibrium and $P$ is total pressure, the ratio $\frac{K_{p}}{P}$ is equal to

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 18

When

20 g

of

{CaCO}_{3}

were put into

10

litre flask and heated to

800 ° C, 30 %

of

{CaCO}_{3}

remained unreacted at equilibrium. Calculate

K_{P}

for decomposition of

{CaCO}_{3}

.

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 19

At temperature

TK, {PCl}_{5}

is

50 %

dissociated at an equilibrium pressure of

4 atm

. At what pressure it would dissociate to the extent of

80 %

at the same temperature?

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 20

For the equilibrium, Question Image

Question Image

If the value of

K_{c}

is

3.0

, the percentage by mass of iso-butane in the equilibrium mixture would be

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 21

2 H_{2} (g) + CO (g) ⇌ {CH}_{3} OH (g), ΔH = - 92.2 kJ

. Which of the following condition will shift the equilibrium in the forward direction?

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Gamma Question Bank for Medical Chemistry>Chapter 7 - Equilibrium>EXERCISE>Q 22

In the manufacture of

{NH}_{3}

by Haber's process involving the reaction.

N_{2} (g) + 3 H_{2} (g) \overset{[{Fe}_{2} OJ]}{⇌} 2 {NH}_{3} (g)

;

ΔH = - 22.08 kcal

. The favourable conditions are