1 mole of N 2 O 4 ( g ) at 300 K is kept in a closed container under 1 atm . It is heated to 600 K when 20% by mole of N 2 O 4 ( g ) decomposes to N O 2 ( g ) . The resultant pressure is

Question

1 mole of N 2 O 4 ( g ) at 300 K is kept in a closed container under 1 atm . It is heated to 600 K when 20% by mole of N 2 O 4 ( g ) decomposes to N O 2 ( g ) . The resultant pressure is, 1.2 atm, 2.4 atm, 2.0 atm, 1.0 atm

MARKS App · Accepted Answer

N 2 O 4 (g) ⇌ 2NO 2 (g) Initial mole 1 0 At equi . (1-0 .20) mole 0 .40 mole n total = 1 .2 P total = n total RT V = 2 .4 atm as P 2 P 1 = n 2 T 2 n 1 T 1

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