Q1
What process manufactures sulphuric acid industrially?
AContact process
BHaber process
COstwald process
DSolvay process
ICSEClass 10 (ICSE)ChemistryCh 11 · Topic 1
Study of Compounds - Sulphuric Acid
Sulphuric acid (H2SO4) is manufactured industrially through the Contact process and has diverse properties and uses as a strong dehydrating
Core concept
Sulphuric acid is manufactured industrially by the Contact process, involving the oxidation of sulphur dioxide to sulphur trioxide using a vanadium pentoxide catalyst.
How it works
Concentrated sulphuric acid acts as a strong dehydrating agent, removing water from substances like sugar, turning it black through charring.
Why it matters
Dilute sulphuric acid shows typical acidic properties, reacting with metals, bases, and carbonates to produce sulphate salts.
Key detail
Sulphuric acid is widely used in manufacturing fertilisers, detergents, and in various industrial processes, earning it the title 'king of chemicals'.
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• Industrial prep: Contact process.
• SO2 oxidised to SO3 using V2O5 catalyst.
• Concentrated H2SO4: strong dehydrating agent.
• It chars sugar by removing water.
• Dilute H2SO4 shows typical acidic properties.
• It reacts with metals, bases, carbonates.
• Uses: fertilisers, detergents, industrial processes.
• Called the 'king of chemicals'.