DP Chemistry (last assessment 2024)
Question 18M.2.hl.TZ1.7b
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.2.hl.TZ1.7b |
| Level | hl | Paper | 2 | Time zone | TZ1 |
| Command term | Outline | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
18M.2.hl.TZ1.7b
This question is about the reactions of halogenoalkanes.
(b)
Outline why the rate of reaction of the similar bromo-compounds is faster.
[1]
Markscheme
C–Br bond weaker than C–Cl bond
Accept “Br– is a better leaving group”.
Do not accept "bromine is more reactive".
Do not accept “C–Br bond is longer than C–Cl” alone.
[1 mark]
