JEE Advance - Chemistry (2015 - Paper 1 Offline - No. 20)

The % yield of ammonia as a function of time in the reaction

N2(g) + 3H2(g) $$\rightleftharpoons$$ 2NH3(g), $$\Delta$$H < 0 at (P, T1) is given below:

JEE Advanced 2015 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 12 English

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

JEE Advanced 2015 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 12 English Option 1
JEE Advanced 2015 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 12 English Option 2
JEE Advanced 2015 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 12 English Option 3
JEE Advanced 2015 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 12 English Option 4

Explanation

The equilibrium yield of ammonia gets lowered with the increase of temperature. However, at higher temperature the initial rate of forward reaction would be greater than at lower temperature that is why the percentage yield of NH3 would be more initially.

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