DP Chemistry (last assessment 2024)
Question 21N.1.sl.TZ0.12
| Date | November 2021 | Marks available | [Maximum mark: 1] | Reference code | 21N.1.sl.TZ0.12 |
| Level | sl | Paper | 1 | Time zone | TZ0 |
| Command term | Determine | Question number | 12 | Adapted from | N/A |
12.
[Maximum mark: 1]
21N.1.sl.TZ0.12
The following compounds have similar relative molecular masses. What is the order of increasing boiling point?
A. CH3CH2CH2OH < CH3CH2CHO < CH3COOH
B. CH3CH2CHO < CH3CH2CH2OH < CH3COOH
C. CH3CH2CHO < CH3COOH < CH3CH2CH2OH
D. CH3COOH < CH3CH2CHO < CH3CH2CH2OH
[1]
Markscheme
B