Chemistry · May / June 2026 · Paper 12 · Question 32

X and Y are hydrocarbons obtained from the fractional distillation of petroleum. Their molecular formulae are shown. X: C18H38 Y: C8H18 Three statements are listed. 1 X and Y are both alkanes. 2 X has a higher viscosity than Y. 3 X comes from a fraction obtained higher in the fractionating column than Y. Which statements are correct?

1. A1, 2 and 3
2. B1 and 2 only
3. C1 and 3 only
4. D2 and 3 only

As printed in the paper