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Standard XII

Chemistry

Characteristics of Equilibrium Constant

Two moles of ...

Question

Two moles of $N_{2}$ and two moles of $H_{2}$ are taken in a closed vessel of $5 L$ capacity and suitable conditions are provided. When the equilibrium is reached, it is found that $0.6$ mole of $H_{2}$ is used up.The equilibrium concentration of ${N H}_{3}$ is________.

0.04

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0.08

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0.8

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0.24

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Solution

The correct option is C $0.04$
$N_{2} + {3 H}_{2} ⇌ {2 N H}_{3}$
At $2$ $2$ $0$
$t = 0$
At $2 (1 - α)$ $2 (1 - 3 α)$ $2 α$
$t = t_{e q}$
Given that $0.6$ mole $H_{2}$ mole $H_{2}$ used
$2 \times 3 \times α = 0.6$
$α = 0.1$
$[{N H}_{3}] = \frac{2 \times 0.1}{5} = 0.04$

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Similar questions

Q. Two moles of

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are taken in a closed vessel of 5 L capacity and suitable conditions are provided. When the equilibrium is reached, it is found that 0.6 mole of

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is used up. The equilibrium concentration of

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Q. Two moles of

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Two moles of N2 and two moles of H2 are taken in a closed vessel of 5L capacity and suitable conditions are provided. When the equilibrium is reached, it is found that 0.6 mole ofH2 is used up.The equilibrium concentration of NH3 is________.

The correct option is C 0.04 N2+3H2⇌2NH3At 2 2 0t=0At 2(1−α) 2(1−3α) 2αt=teqGiven that 0.6 mole H2 mole H2 used2×3×α=0.6α=0.1[NH3]=2×0.15=0.04

Two moles of $N_{2}$ and two moles of $H_{2}$ are taken in a closed vessel of $5 L$ capacity and suitable conditions are provided. When the equilibrium is reached, it is found that $0.6$ mole of $H_{2}$ is used up.The equilibrium concentration of ${N H}_{3}$ is________.

The correct option is C $0.04$
$N_{2} + {3 H}_{2} ⇌ {2 N H}_{3}$
At $2$ $2$ $0$
$t = 0$
At $2 (1 - α)$ $2 (1 - 3 α)$ $2 α$
$t = t_{e q}$
Given that $0.6$ mole $H_{2}$ mole $H_{2}$ used
$2 \times 3 \times α = 0.6$
$α = 0.1$
$[{N H}_{3}] = \frac{2 \times 0.1}{5} = 0.04$