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Chemistry Hard FPSC Uploaded: 04 Sep 2026

Increasing pressure on a gaseous equilibrium favors the side with:

  • A Fewer moles of gas
  • B Equal moles of gas
  • C More moles of gas
  • D No gas molecules
Correct Answer: Option A — Fewer moles of gas
Explanation:
According to Le Chatelier's Principle, increasing pressure on a gaseous equilibrium system shifts the reaction toward the side with fewer moles of gas, reducing the total number of gas particles to relieve the stress.
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