Chemical and Ionic Equilibrium - Result Question 85

####29. The yield of ammonia as a function of time in the reaction, N2(g)+3H2(g)2NH3(g);ΔH<0

(2015 adv.)

at (p,T1) is given below.

If this reaction is conducted at (p,T1), with T2>T1 the yield by of ammonia as a function of time is represented by

(a)

(c)

(b)

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Solution:

  1. Since, the reaction is exothermic, there will be less ammonia at equilibrium and higher temperature. However, rate of reaction increases with rise in temperature, NH3 will be formed at faster rate in the initial stage when the temperature is high.


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