DP Chemistry (last assessment 2024)

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Question 18M.3.sl.TZ2.c

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.sl.TZ2.c
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.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]

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