DP Chemistry (last assessment 2024)
Question 19M.3.sl.TZ2.8a
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.sl.TZ2.8a |
| Level | sl | Paper | 3 | Time zone | TZ2 |
| Command term | State | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
19M.3.sl.TZ2.8a
Sucrose is a disaccharide.
(a)
State the name of the functional group forming part of the ring structure of each monosaccharide unit.
[1]
Markscheme
acetal
OR
ether [✔]
Note: Accept “glycosidic bond/linkage” but not “glucosidic”.
Do not accept “hemiacetal”.
Examiners report
This was reasonably answered although there were some students who responded with ester or hemiacetal which is incorrect.
