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 $ SO_2 $ .
B) Conversion of $ SO_2 $ to $ SO_3 $ by the reaction with oxygen in presence of catalyst.
C) Absorption of $ SO_3 $ in $ H_2SO_4 $ to give oleum.
D) Both [b] and [c]
Show Answer
Answer:
Correct Answer: B
Solution:
The key step in the manufacture of $ H_2SO_4 $ is catalytic oxidation of $ SO_2 $ with $ O_2 $ to give $ SO_3 $ in presence of $ V_2O_5 $ .
