P-Block Elements Ques 597

Question: Which of the following is the key step in the manufacture of sulphuric acid?

Options:

A) Burning of sulphur or sulphide ores in air to generate SO2 .

B) Conversion of SO2 to SO3 by the reaction with oxygen in presence of catalyst.

C) Absorption of SO3 in H2SO4 to give oleum.

D) Both [b] and [c]

Show Answer

Answer:

Correct Answer: B

Solution:

The key step in the manufacture of H2SO4 is catalytic oxidation of SO2 with O2 to give SO3 in presence of V2O5 .



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