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JEE Main Chemistry question

ChemistryStates of Matter (Gaseous & Liquid State)JEE Main

40% of a mixture of 0.2 mole of N₂ and 0.6 mole of H₂ react to give NH₃ according to the equation, N₂(g)+3H₂(g)⇌2NH₃(g) at constant temperature and pressure. Then the ratio of the final volume to the initial volume of gases is:

Answer: (A)

Solution

N₂ reacted=0.08, H₂ reacted=0.24, NH₃ formed=0.16. Final total=0.12+0.36+0.16=0.64; initial total=0.8. Ratio=0.64:0.8=4:5.

Question ID VK-136167