Quiz on Sulphur Dioxide Manufacturing & Contact Process

What is the primary product of the Contact Process?

• Sulphur Dioxide

• Sulphuric Acid

• Water

• Oleum

Who patented the Contact Process?

• Marie Curie

• Albert Einstein

• Isaac Newton

• Peregrine Phillips

What is the catalyst used in the Contact Process?

• Zinc Oxide

• Vanadium Pentoxide

• Iron Oxide

• Copper Sulfate

At what temperature does the oxidation of sulphur occur?

• 200-400°C

• 600-1200°C

• 300-500°C

• 1000-1500°C

What is the output of the purification step?

• Crude SO2 gas

• Concentrated H2SO4

• Pure, dry SO2 gas

• Oleum

What is the chemical reaction for the catalytic oxidation of SO2?

• H2S2O7 + H2O → 2H2SO4

• 2SO2 + O2 ⇌ 2SO3 + heat

• SO3 + H2O → H2SO4

• SO2 + O2 → SO3

What is oleum also known as?

• Diluted Sulphuric Acid

• Concentrated Sulphuric Acid

• Sulphur Trioxide

• Fuming Sulphuric Acid

What is the final product of the Contact Process?

• Sulphur Trioxide

• Oleum

• Concentrated Sulphuric Acid

• Sulphur Dioxide

What is the purpose of the Arsenic Purifier in the purification step?

• To remove moisture

• To remove dust particles

• To remove arsenic oxide impurities

• To cool the gas

What is the temperature and pressure condition for the catalytic oxidation step?

• 200°C, 1 atm

• 600°C, 2-3 atm

• 450°C, 1-2 atm

• 800°C, 1 atm