For , increasing the pressure shifts the equilibrium

Answer and explanation

Correct answer: A. to the right

  1. Step 1: According to Le Chatelier's principle, applying an external stress to a system at dynamic equilibrium causes the equilibrium position to adjust in the direction that counteracts the applied stress.
  2. Step 2: Count the stoichiometric moles of gaseous species: the reactant side has moles of gas, whereas the product side has moles of gas.
  3. Step 3: Increasing total pressure compresses volume; to relieve pressure, the system shifts toward the side with fewer gaseous moles, which drives the reaction forward (to the right).
Answer
to the right.
Why not the others: to the left would increase the total number of gas moles, exacerbating the pressure increase; to the left and then right suggests an oscillation not possible in Le Chatelier shifts; in no direction occurs only when (equal moles of gas on both sides).

Practise more Equilibrium and kinetics.

Free questions with an explanation for every one, and full timed NEET UG mock tests.

All Equilibrium and kinetics questionsTake a mock test

More Equilibrium and kinetics questions