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NEETChemistryChemical Equilibrium

For the reaction SO 2 ( g ) + 1 2 O 2 ( g ) ⇌ SO 3 ( g ) , the percentage yield of product at different pressures is shown in the figure. Then, which among the following is true?

Options

  1. APressure has no effect
  2. BP 1 < P 2 < P 3
  3. CP 1 > P 2 > P 3
  4. DP 1 = P 2 = P 3 ≠ 0

Correct answer

C. P 1 > P 2 > P 3

Step-by-step solution

So according to the concept of equilibrium reaction which is SO 2   + 1 2 O 2   ⇌   SO 3 this reaction is favoured as exothermic reaction When pressure is lowered, the forward reaction is favoured. This increases the yields of SO 3 So according to the question graph this will be possible when P 1 > P 2 > P 3

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