DP Chemistry (last assessment 2024)
Question 19N.3.sl.TZ0.14a
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.sl.TZ0.14a |
| Level | sl | Paper | 3 | Time zone | TZ0 |
| Command term | Formulate | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
19N.3.sl.TZ0.14a
Ethanol is a biofuel that can be mixed with gasoline.
(a)
Write the equation for the complete combustion of ethanol.
[1]
Markscheme
C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l) ✔
