Q.

One mole of A(g) is heated to 2000C in a 1 lit closed flask,  till the following equilibrium is reached  A(g) ⇌ B(g). The rate of forward reaction at equilibrium is 0.02 mole.lit-1.min-1. What is the rate (in mole.lit-1.min-1) of the backward reaction at equilibrium ?

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a

0.04

b

0.01

c

0.02

d

1

answer is C.

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Detailed Solution

At equilibrium rate of forward reaction = rate of backward reaction. rf = rb =0.02 mole/lit/min
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One mole of A(g) is heated to 2000C in a 1 lit closed flask,  till the following equilibrium is reached  A(g) ⇌ B(g). The rate of forward reaction at equilibrium is 0.02 mole.lit-1.min-1. What is the rate (in mole.lit-1.min-1) of the backward reaction at equilibrium ?