DP Chemistry (last assessment 2024)
Question 19N.2.hl.TZ0.3c(i)
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.2.hl.TZ0.3c(i) |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Apply, Formulate | Question number | c(i) | Adapted from | N/A |
c(i).
[Maximum mark: 1]
19N.2.hl.TZ0.3c(i)
Propene is an important starting material for many products. The following shows some compounds which can be made from propene, C3H6.
Propene (C3H6) → C3H7Cl → C3H8O → C3H6O
(c(i))
Write an equation for the complete combustion of the compound C3H8O formed in (a)(iv).
[1]
Markscheme
2C3H8O (l) + 9O2 (g) → 6CO2 (g) + 8H2O (g)
OR
C3H8O (l) + 4.5O2 (g) → 3CO2 (g) + 4H2O (g) ✔
