Chemistry · Oct / Nov 2021 · Paper 11 · Question 3

A mixture of three liquids is separated by fractional distillation. Which statements are correct? 1 The mixture boils at constant temperature throughout the separation. 2 The temperature at which the mixture boils increases during the separation. 3 The liquid with the highest boiling point is collected first. 4 The liquid with the lowest boiling point is collected first.

1. A1 and 3
2. B1 and 4
3. C2 and 3
4. D2 and 4

As printed in the paper