Home Chemistry Surface Chemistry General Presence of traces of arsenious oxide ( ) i…
Chemistry Surface Chemistry General Single Correct MCQ
Published on: August 14, 2026

Presence of traces of arsenious oxide ( ) in the reacting gases and in presence of platinised asbestos in contact acts as

A
Catalytic promoter
B
Catalytic poison
C
Dehydrating agent
D
Drying agent

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Text Solution

Verified by Experts
The correct answer is:
B

The presence of traces of in the reacting gases reduces the activity of platinised asbestos which is used as catalyst in contact process.

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