Multiple choice

Which of the following destroys the activity of the catalyst?

  1. Ribozyme

  2. Catalytic poisons

  3. Catalytic promoters

  4. Inhibitors
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Substances which destroy the activity of the catalyst by their presence are known as catalytic poisons. (i) For example, the presence of traces of arsenious oxide (As2O3) in the reacting gases reduces the activity of platinized asbestos which is used as catalyst in contact process for the manufacture of sulphuric acid.

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