DP Chemistry (last assessment 2024)
Question 19N.3.sl.TZ0.14d
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.sl.TZ0.14d |
| Level | sl | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 1]
19N.3.sl.TZ0.14d
Ethanol is a biofuel that can be mixed with gasoline.
(d)
State the type of reaction that occurs when ethanol reacts with vegetable oil to form biodiesel.
[1]
Markscheme
transesterification
OR
«nucleophilic» substitution/SN ✔
