Consider the reaction represented by the equation below: H2(g) + 12(s) ⇌ 2HI(g) ∆H negative….

Chemistry WAEC 1991

Consider the reaction represented by the equation below: H2(g) + 12(s) ⇌ 2HI(g) ∆H negative. Which of the following takes place when the temperature of the reaction vessel is decreased?

  • the gases condense
  • the yield of hydrogen increases
  • the concentration of the reactants remain constant
  • more of the hydrogen iodide decomposes
  • the yield of hydrogen iodide increases checkmark

The correct answer is: E

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