The table shows possible conditions and products for the cracking of alkanes.
Which row is correct?
| Type of cracking | Conditions | Main products | |
|---|---|---|---|
| A | Thermal | High temperature, slight pressure | Mainly branched alkanes |
| B | Catalytic | High temperature, high pressure | Mainly alkenes |
| C | Thermal | High temperature, high pressure | High proportion of alkenes |
| D | Catalytic | High temperature, high pressure | Mainly branched alkanes and aromatics |
A
B
C
D
9 exam-style questions on AQA A Level Chemistry Alkanes, covering Fractional distillation of crude oil, Modification of alkanes by cracking, Combustion of alkanes, and Chlorination of alkanes. Each one has a worked solution and a mark scheme showing where the marks go.