Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Calculate the change in pressure (in atm) when 2 mole of NO and 16 gram O 2 in a 6.25 litre originally at 27°C react to produce the maximum quantity of NO 2 possible according to the equation – 2NO(g) + O 2 (g) → 2NO 2 (g) (Take R = 
ltr. Atm/mol-K)
Text Solution
Verified by ExpertsThe correct answer is:
2
2
Sol. 2NO + O 2 ⎯→ 2NO 2
(moles 2 0.5 0
before reaction)
after reaction → 2–1 0 1
=1
Δ n = |2.5 – 2| = 0.5
Change in pressure
Δ P = 
= 0.5 × 
× 
atm
= 2 atm
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