Which one of the following catalysts used in contact process before the using of vanadium pentoxide?(a) Aluminium(b) Zinc(c) Copper(d) PlatinumThe question was posed to me during a job interview.This question is from Inorganic Chemical in section Inorganic Chemical Industries of Chemical Technology

Which one of the following catalysts used in contact process before th

1.	Which one of the following catalysts used in contact process before the using of vanadium pentoxide?(a) Aluminium(b) Zinc(c) Copper(d) PlatinumThe question was posed to me during a job interview.This question is from Inorganic Chemical in section Inorganic Chemical Industries of Chemical Technology
Answer» The correct ANSWER is (d) Platinum The explanation: Platinum catalyst was previously used but suffers from easy poisoning, fragility, rapid heat deactivation and HIGH initial investment. EXCEPT this other CATALYSTS are not ECONOMICAL.

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Which one of the following catalysts used in contact process before the using of vanadium pentoxide?(a) Aluminium(b) Zinc(c) Copper(d) PlatinumThe question was posed to me during a job interview.This question is from Inorganic Chemical in section Inorganic Chemical Industries of Chemical Technology

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