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In the reaction, 2SO(2)+O(2)overset("Pt"...

In the reaction, `2SO_(2)+O_(2)overset("Pt")underset(As_(2)O_(3))rarr 2SO_(3), As_(2)O_(3)` acts as a ______________.

A

autocatalyst

B

catalytic posion

C

promoter

D

positive catalyst

Text Solution

Verified by Experts

The correct Answer is:
B
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