Chemical and Ionic Equilibrium - Result Question 102

####46. The progress of reaction,

AnB

with time, is represented in fig. use given below.

Determine :

(i) the value of n

(ii) the equilibrium constant, K and

(iii) the initial rate of conversion of A.

(1994,3M)

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Solution:

  1. Observing the graph indicates that when 0.20 mole of A is reacted, 0.40 mole of product is formed.

A 0.20nB +0.40n=2

At equilibrium, [A]=0.30M,[B]=0.60M

Kc=[B]2[A]=0.360.30=1.2



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