DP Chemistry (last assessment 2024)
Question 19N.2.sl.TZ0.b
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.2.sl.TZ0.b |
| Level | sl | Paper | 2 | Time zone | TZ0 |
| Command term | Apply, Formulate | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
19N.2.sl.TZ0.b
The following shows some compounds which can be made from ethene, C2H4.
ethene (C2H4) → C2H5Cl → C2H6O → C2H4O
Write an equation for the reaction of C2H5Cl with aqueous sodium hydroxide to produce a C2H6O compound, showing structural formulas.
[1]
Markscheme
CH3CH2Cl (g) + OH− (aq) → CH3CH2OH (aq) + Cl− (aq)
OR
CH3CH2Cl (g) + NaOH (aq) → CH3CH2OH (aq) + NaCl (aq) ✔
