MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Ideal Gas Equation

Two moles of ...

Question

Two moles of ammonia is introduced in a evacuated $500$ mL vessel at high temperature. This decomposition reaction is?
$2 N H_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g)$
At the equilibrium $N H_{3}$ becomes $1$ mole then the $K_{c}$ would be:

A

0.42

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

6.75

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

1.7

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

1.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $1.7$
$2 N H_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g) a t e q u i l . 2 - 2 x x 3 x$
Amount of $N H_{3}$ left is $1$ mole
$2 - 2 x = 1$
$x = 0.5$
$K_{c} = \frac{[N_{2}] [H_{2}]^{3}}{[N H_{3}]}$
$= \frac{(0.5) (1.5)^{3}}{1} = 1.7$

Suggest Corrections

thumbs-up

0

Similar questions

Q. In the decomposition reaction of ammonia:

{2 N H}_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g)

2

{N H}_{3}

are introduced in the vessel of

1

litre. At equilibrium,

1

{N H}_{3}

was left, the value of

K_{c}

Q. Two moles of

{N H}_{3}

gas are introduced into a previously evacuated one litre vessel in which it partially dissociates at high temperature as

{2 N H}_{3} (g) ⇋ . N_{2} (g) + {3 H}_{2} (g)

. At equilibrium, one mole of

{N H}_{3} (g)

remain. The value of

K_{C}

Q. Two moles of

N H_{3}

are introduced into one litre flask in which it dissociates at high temperature as follows:

2 N H_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g)

K_{C}

, if at equilibrium

1 m o l e

N H_{3}

Q. A mixture of

1.57

N_{2}, 1.92

H_{2}

8.13

N H_{3}

is introduced into a

20

L reaction vessel at

500

K. At this temperature, the equilibrium constant,

K_{c}

for the reaction,

N_{2 (g)} + 3 H_{2 (g)} ⇌ 2 N H_{3 (g)} i s 1.7 \times 10^{2}

. What is the direction of the net reaction?

Q. At a certain temperature (T), the equilibrium constant

(K_{c})

is 1 for the reaction

N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g)

N_{2},

H_{2},

N H_{3}

and 3 moles of inert gas are introduced into a two litre rigid vessel at constant temperature T. It has been found that equilibrium concentration of

H_{2}

N H_{3}

are equal then what is the equilibrium concentration of

N_{2}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Ideal Gas Equation

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Ideal Gas Equation

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon