DP Chemistry (last assessment 2024)
Question 19N.2.hl.TZ0.3a(iii)
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.2.hl.TZ0.3a(iii) |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Outline | Question number | a(iii) | Adapted from | N/A |
a(iii).
[Maximum mark: 1]
19N.2.hl.TZ0.3a(iii)
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.
(a(iii))
Outline why it is the major product.
[1]
Markscheme
secondary carbocation/carbonium «ion» is more stable
OR
carbocation/carbonium «ion» stabilized by two/more alkyl groups ✔
