Chemistry · Oct / Nov 2017 · Paper 11 · Question 35

Compounds S and T both contain two elements only. The compounds have the following properties. ● They both burn in air to form carbon dioxide and water only. ● They both react with chlorine by substitution. ● S has a higher boiling point than T. What could compounds S and T be?

1. AS: ethane, T: propane
2. BS: ethene, T: propene
3. CS: propane, T: ethane
4. DS: propene, T: ethene

As printed in the paper