Skip to content

Course home

Organic chemistry

Organic chemistry

EasyMedium
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
Question 3

A long-chain alkane, eicosane (C20H42\text{C}_{20}\text{H}_{42}C20​H42​), is catalytically cracked to produce one molecule of nonane (C9H20\text{C}_9\text{H}_{20}C9​H20​), two molecules of a compound YYY, and one molecule of compound ZZZ. Compound Y Y\,Y is an alkene containing three carbon atoms.

a.

State the molecular formula of compound YYY.

[1]
b.

Deduce the molecular formula of compound ZZZ.

[2]
c.

State two conditions required for industrial catalytic cracking.

[2]
Markscheme

Organic chemistry Questions

  1. IGCSE
  2. /Chemistry
  3. /Organic chemistry

Question bank