Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 114

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Partial pressure of $CO$ is twice to the partial pressure of ${CO}_{2}$ at the equilibrium. If total pressure at equilibrium is $12 atm$ . Then $K_{p}$ will be

$C (s) + {CO}_{2} (g) ⇌ 2 CO (g)$

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Important Questions on Equilibrium

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 115

Some solid ${NH}_{4} HS$ is placed in a flask containing $0.5 atm$ of ${NH}_{3}$ , what would be pressures of ${NH}_{3}$ and $H_{2} S$ when equilibrium is reached.

${NH}_{4} {HS}_{(s)} ⇌ {NH}_{3 (g)} + H_{2} S_{(g)}, K_{p} = 0.11$

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 116

What is the minimum mass of

{CaCO}_{3}

below which it decomposes completely, required to establish equilibrium in a

6.50 litre

container for the reaction,

{CaCO}_{3} (s) ⇌ CaO (s) + {CO}_{2} (g) ?

(K_{c} = 0.05 mole / liter)

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 117

For the equilibrium

N_{2} + 3 H_{2} ⇌ 2 {NH}_{3} K_{c}

at

1000 K

is

2.37 \times 10^{- 3}

. If the equilibrium concentration of

N_{2}

and

H_{2}

are

2 M

and

3 M

respectively, then

[{NH}_{3}]

at equilibrium is:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 118

In the reaction

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

, the equilibrium concentration of

{PCl}_{5}

and

{PCl}_{3}

are

0.4

and

0.2

mole respectively. If the value of

K_{C}

is

0.5

, what is the concentration of

{Cl}_{2}

at the equilibrium?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 119

4

mole of

A

are mixed with

4

mole of

B

, when

2

mole of

C

are formed at equilibrium, according to the reaction.

A + B ⇌ C + D

. The equilibrium constant is:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 120

In the reaction

2 P (g) + Q (g) ⇌ 3 R (g) + S (g)

, if

2 moles

each of

P

and

Q

taken initially in a

1

L

flask, at equilibrium, which is true?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 121

When 3 mole of A and 1 mole of B are mixed in 1 litre vessel the following reaction takes place $A_{(g)} + B_{(g)} ⇌ 2 C_{(g)}$ 1.5 mole of C are formed. The equilibrium constant for the reaction is:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 122

K_{c} = 9

for the reaction:

A + B ⇌ C + D .

If

A

and

B

are taken in equal amounts, then ratio of

C

to

A

at equilibrium is: