DP Chemistry (last assessment 2024)
Question 18M.3.sl.TZ2.16c
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.sl.TZ2.16c |
| Level | sl | Paper | 3 | Time zone | TZ2 |
| Command term | Explain | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 2]
18M.3.sl.TZ2.16c
(c)
Explain why aspirin is not stored in a hot, humid location.
[2]
Markscheme
water causes hydrolysis
OR
aspirin reacts with water
heat increases the rate of hydrolysis
OR
heat increases the rate of the reaction with water
Accept “aspirin will convert into salicylic/ethanoic acid”.
Do not accept “aspirin dissolves in water” OR “aspirin absorbs water/is hygroscopic”.
[2 marks]
