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Question

In a reaction vessel of 2 litre capacity 3 moles of N2 reacts with 2 moles of O2 to produce 1 mole of NO according to following reaction-
N2(g)+O2(g)2NO(g). What is the molar concentration of N2 at equilibrium?

A
1.25
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B
1.5
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C
0.75
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D
2
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Solution

The correct option is A 1.25
N2+O22NO3203x2x2x
2x=1;x=0.5
[N2]=30.52=1.25

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