DP Chemistry (last assessment 2024)
Question 19N.2.hl.TZ0.a(iv)
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.2.hl.TZ0.a(iv) |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Write | Question number | a(iv) | Adapted from | N/A |
a(iv).
[Maximum mark: 1]
19N.2.hl.TZ0.a(iv)
Propene is an important starting material for many products. The following shows some compounds which can be made from propene, C3H6.
Propene (C3H6) → C3H7Cl → C3H8O → C3H6O
Consider the conversion of propene to C3H7Cl.
Write an equation for the reaction of the major product with aqueous sodium hydroxide to produce a C3H8O compound, showing structural formulas.
[1]
Markscheme
CH3CHClCH3 (l) + OH− (aq) → CH3CH(OH)CH3 (aq) + Cl− (aq)
OR
CH3CHClCH3 (l) + NaOH (aq) → CH3CH(OH)CH3 (aq) + NaCl (aq) ✔
