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

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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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Important Questions on Equilibrium

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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:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 123

1

mole of

N_{2}

and

2

moles of

H_{2}

are allowed to react in a

1 {dm}^{3}

vessel. At equilibrium,

0.8

mole of

{NH}_{3}

is formed. The concentration of

H_{2}

in the vessel is:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 124

At equilibrium mixture for the reaction

2H₂S ⇌2H₂+ S₂

had 1 mole of H₂S, 0.2 mole of H₂, and 0.8 mole of S₂ in a
2 litre flask. The value of K_cin mol L^-is

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 125

The reaction,

{PCl}_{5} ⇌ {PCl}_{3} + {Cl}_{2}

is started in a five litre container by taking one mole of

{PCl}_{5}

. If

0.3

mole of

{PCl}_{5}

, is there at equilibrium, concentration of

{PCl}_{3}

and

K_{c}

will respectively be: