N2+3H2⇌2NH3, starting with one mole of nitrogen and 3 moles of hydrogen, at equilibrium 50% of each had reacted. If the equilibrium pressure is P, the partial pressure of hydrogen at equilibrium would be:
A
P2
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B
P3
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C
P4
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D
P6
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Solution
The correct option is AP2 The given reaction is N2+3H2⇌2NH3130...initial0.51.51...at equilibrium According to Dalton's law of partial pressure Pi=XiPoi XH2=1.53 Now partial pressure of H2, PH2=1.53P=P2 Hence, correct option is a.