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Question

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________.

A
0.04
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B
0.08
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C
0.8
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D
0.24
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Solution

The correct option is C 0.04
N2+3H22NH3
At 2 2 0
t=0
At 2(1α) 2(13α) 2α
t=teq
Given that 0.6 mole H2 mole H2 used
2×3×α=0.6
α=0.1
[NH3]=2×0.15=0.04

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