HARDMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryChemical EquilibriumAchiever Section
N₂(g) + 3H₂(g) 2NH₃(g) Initially the molar ratio of N₂ and H₂ was 1 : 3. At equilibrium, 50% of each has reacted. If the equilibrium pressure is P, the partial pressure of NH₃ at equilibrium is:
A.P✓ Correct
B.P
C.P
D.P
Explanation
2 2 3 eq N 3H 2NH t 0 a 3a 0 t t a(1 ) 3a(1 ) 2a Given 50% reacted 1 2 3 NH P = (mole fraction) x (total pressure) 3 NH 1 2 × ×P P 2 P = = 1 3 α× 4 - 2× 2
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