Ethene is prepared industrially by

Correct Answer: Option D

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

There is an explanation video available below.