The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?
Correct answer: A. Alumina
- A. Alumina
- B. Silica gel
- C. Platinum
- D. Nickel
Explanation
In the Claus process, alumina is a common catalyst for converting hydrogen sulfide and sulfur dioxide into elemental sulfur. Silica gel can serve as a catalyst support, but alumina is the standard answer.
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