DP Chemistry (last assessment 2024)
Question 18M.2.hl.TZ2.c.ii
Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.2.hl.TZ2.c.ii |
Level | hl | Paper | 2 | Time zone | TZ2 |
Command term | Deduce, Justify | Question number | c.ii | Adapted from | N/A |
c.ii.
[Maximum mark: 1]
18M.2.hl.TZ2.c.ii
Some physical properties of molecular substances result from the different types of forces between their molecules.
Resonance structures exist when a molecule can be represented by more than one Lewis structure.
Deduce, giving a reason, the more likely structure.
[1]
Markscheme
structure I AND no formal charges
OR
structure I AND no charge transfer «between atoms»
[1 mark]