DP Chemistry (last assessment 2024)
Question 22N.2.hl.TZ0.c
| Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.2.hl.TZ0.c |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Deduce | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 1]
22N.2.hl.TZ0.c
Lignite, a type of coal, contains about 0.40 % sulfur by mass.
Deduce the Lewis (electron dot) structure for sulfur dioxide.
[1]
Markscheme
OR
✔
Do not penalise missing formal charges.
Examiners report
Just over half of the students knew one of the contributing resonance Lewis structures for sulfur dioxide.
