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QJEEAdv15Chf043: JEE Advanced 2015 Chemistry - Class 12 JEEAdv15Chf043 Solution: The % yield of ammonia as a function of time in the reaction N…

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

N2(g) + 3H2(g) ⇌\rightleftharpoons 2NH3(g), Δ\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

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/04e6049a2a27d26c5fd6044c7d7f5c4c221156a901335781e0315743f31de269.webp
  • B https://ik.imagekit.io/novatra/photos/9af96d43bf283e3b981c1a22497694cd984d74c33ce4684ebb509a72b2b0f3d3.webp
  • C https://ik.imagekit.io/novatra/photos/c9574cf9ca8d60aa3f56970cbd0db6a0862476ec04b7126d5ddc77547f4ee603.webp
  • D https://ik.imagekit.io/novatra/photos/888b5c7cab5d820af6405b38aca88f789b2be95b8b1108005ad4669cc8614d9d.webp

Step-by-Step Verified Solution

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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