Equilibrium Question 653

Question: The reaction, 2SO2(g)+O2(g) ⇌ 2SO3(g) is carried out in a 1 dm3 vessel and 2 dm3 vessel separately. The ratio of the reaction velocities will be [KCET 2004]

Options:

A) 1:8

B) 1:4

C) 4:1

D) 8:1

Show Answer

Answer:

Correct Answer: D

Solution:

2SO2(g)+O2(g) ⇌ 2SO3(g) For 1dm3

R=k[SO2]2[O2]

R=K [1T]2[11]=1 For 2dm3

R=K [12]2[12]=18 So, the ratio is 8 : 1

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