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Question: Answered & Verified by Expert
1mole of N2O4(g) at 300K is kept in a closed container under 1atm . It is heated to 600K when 20% by mole of N2O4(g) decomposes to NO2(g). The resultant pressure is
ChemistryChemical EquilibriumJEE Main
Options:
  • A 1.2 atm
  • B 2.4 atm
  • C 2.0 atm
  • D 1.0 atm
Solution:
2444 Upvotes Verified Answer
The correct answer is: 2.4 atm
N 2 O 4 (g) 2NO 2 (g) Initialmole 1 0 Atequi. (1-0.20)mole 0.40mole
n total =1.2
P total = n total RT V =2.4atm
as P 2 P 1 = n 2 T 2 n 1 T 1

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