DP Chemistry (last assessment 2024)
Question 19M.2.hl.TZ1.1b
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.hl.TZ1.1b |
Level | hl | Paper | 2 | Time zone | TZ1 |
Command term | Draw | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
19M.2.hl.TZ1.1b
Xylene is a derivative of benzene. One isomer is 1,4-dimethylbenzene.
(b)
Draw the structure of one other isomer of xylene which retains the benzene ring.
[1]
Markscheme
[✔]
Examiners report
Generally well done, although some candidates repeated the formula of the 1,4-isomer structure or drew the wrong bond, e.g. benzene ring to H rather than C on CH3.
