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NEET levelSingle correct optionDifficulty 1 of 3sc063

In the Haber process, molybdenum is added to the iron catalyst in order to

  1. Ashift the equilibrium towards ammonia
  2. Bact as a poison for side reactions
  3. Cchange the value of the equilibrium constant
  4. Dincrease the activity of the catalyst

Answer: D

Molybdenum is a promoter: it enhances the activity of the iron catalyst, but it cannot change or the equilibrium position.
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