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For the pair of reaction given below, (i) N 2 g + 3 H 2 g ⇌ 2 N H 3 g (ii) 1 2 N 2 g + 3 2 H 2 g ⇌ N H 3 g If at a particular temperature, K P 1 and K P 2 are the equilibrium constants for reaction (i) and (ii) respectively then,

Options

  1. AK P 1   =   2K P 2
  2. BK P 1   =   K P 2 2
  3. C2K P 1   =   K P 2
  4. DK P 1 2   =   K P 2

Correct answer

B. K P 1   =   K P 2 2

Step-by-step solution

K P 1 = p NH 3 2 p N 2 .p H 2 3 ...(i) K P 2 = P NH 3 p N 2 1 2 .p H 2 3 2 K P 2 2 = p NH 3 2 p N 2 .p H 2 3 ...(ii) Dividing equation (ii) by equation (i) K P 1 K P 2 2 =1 or K P 1   =   K P 2 2

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