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The equilibrium constant for a reaction A + B ⇋ C + D is 1 × 10 - 2 at 298 K and is 2 at 273 K . The chemical process resulting in the formation of C and D is:

Options

  1. AExothermic
  2. BEndothermic
  3. CUnpredictable
  4. DThere is no relationship between ΔH and K

Correct answer

A. Exothermic

Step-by-step solution

log K 2 K 1 = ΔH 2.303 R 1 T 1 − 1 T 2 T 1 > T 2 & K 2 > K 1 ΔH   = − Ve

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