For the reaction N2+3H2⇌2NH3, Initially N2:H2 were taken in the ratio of 1 : 3. Up to the point of equilibrium 50% each reactant has been reacted. If total pressure at equilibrium is P. The partial pressure of ammonia would be -
A
P/3
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B
P/6
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C
P/4
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D
P/8
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Solution
The correct option is A P/3 N2+3H2⇌2NH3Initially130Atequilibrium1−0.53−1.52×0.5Totalmoles=(1−0.5)+(3−1.5)+1=3 PNH3=molesofNH3totalno.ofmoles(P) PNH3=13P