Q. Which promoter mentioned below is used in the contact process?

A
Iron
B
Alkali
C
Acid
D
Air
Solution:

In contact process alkali is used as promoter in trace amounts to enhance activity of catalytic agent in order to decrease the reaction time for better economy.

The function of the promoter is to lower the melting point of vanadium(V) oxide so that it is molten at 700 K.

Entri Contact Image

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