DP Chemistry (last assessment 2024)
Question 21N.2.hl.TZ0.a(ii)
| Date | November 2021 | Marks available | [Maximum mark: 1] | Reference code | 21N.2.hl.TZ0.a(ii) |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Formulate | Question number | a(ii) | Adapted from | N/A |
a(ii).
[Maximum mark: 1]
21N.2.hl.TZ0.a(ii)
White phosphorus is an allotrope of phosphorus and exists as P4.
Write an equation for the reaction of white phosphorus (P4) with chlorine gas to form phosphorus trichloride (PCl3).
[1]
Markscheme
P4 (s) + 6Cl2 (g) → 4PCl3 (l) ✔
