DP Chemistry (last assessment 2024)
Question 19M.1.sl.TZ1.3
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.sl.TZ1.3 |
| Level | sl | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 3 | Adapted from | N/A |
3.
[Maximum mark: 1]
19M.1.sl.TZ1.3
What is the empirical formula of a hydrocarbon with 75 % carbon and 25 % hydrogen by mass?
A. C3H
B. CH2
C. C2H6
D. CH4
[1]
Markscheme
D
Examiners report
Well answered and straight forward.