DP Chemistry (last assessment 2024)
Question 19M.2.hl.TZ1.c(iv)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.hl.TZ1.c(iv) |
| Level | hl | Paper | 2 | Time zone | TZ1 |
| Command term | State | Question number | c(iv) | Adapted from | N/A |
c(iv).
[Maximum mark: 1]
19M.2.hl.TZ1.c(iv)
Both vinegar (a dilute aqueous solution of ethanoic acid) and bleach are used as cleaning agents.
Bleach reacts with ammonia, also used as a cleaning agent, to produce the poisonous compound chloramine, NH2Cl.
State the type of bond formed when chloramine is protonated.
[1]
Markscheme
covalent/dative/coordinate [✔]
Examiners report
“Ionic bond”, “hydrogen bond” and “intermolecular forces” were some common answers.
