JAMB - Chemistry (2017 - No. 42)

Ethene is prepared industrially by
Reforming
Polymerization
Distillation
Cracking

Explanation

Ethene is produced from cracking which involves breaking up large hydrocarbon molecules into smaller and more useful bits. This is achieved by using high temperatures and pressures without a catalyst.

C15H32 → 2C2H4 + C3H6 + C8H14
......Δheat...ethene........propene.........octane

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