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Poison for platinum, a catalyst in conta...

Poison for platinum, a catalyst in contact process of `H_2 SO_4` is ___.

A

Sulphur

B

Arsenic

C

Selenium

D

Vanadium

Text Solution

Verified by Experts

The correct Answer is:
B
Arsenic (Arsenic oxide) acts as poison for platinum catalyst in contact process for `H_2SO_4` manufacture
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