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Question: Answered & Verified by Expert
$\mathrm{N}_{2}+3 \mathrm{H}_{2} \rightleftharpoons 2 \mathrm{NH}_{3}+$ heat. What is the effect of the increase of temperature on the equilibrium of the reaction?
ChemistryChemical EquilibriumKCETKCET 2008
Options:
  • A Equilibrium is shifted to the left
  • B Equilibrium is shifted to the right
  • C Equilibrium is unaltered
  • D Reaction rate does not change
Solution:
2296 Upvotes Verified Answer
The correct answer is: Equilibrium is shifted to the left
$\mathrm{N}_{2}+3 \mathrm{H}_{2} \rightleftharpoons 2 \mathrm{NH}_{3}+$ heat
It is an exothermic reaction, so high temperature favours backward reaction. Hence, equilibrium is shifted towards the left.

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