DP Chemistry (last assessment 2024)

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Question 18M.3.sl.TZ2.a

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.sl.TZ2.a
Level sl Paper 3 Time zone TZ2
Command term Identify Question number a Adapted from N/A
a.
[Maximum mark: 2]
18M.3.sl.TZ2.a

Lipids provide energy and are an important part of a balanced diet.

Identify the type of chemical reaction that occurs between fatty acids and glycerol to form lipids and the by-product of the reaction.

 

[2]

Markscheme

Type of reaction:

condensation

OR

esterification/triesterification

OR

nucleophilic substitution/nucleophilic displacement/SN2

 

By-product:

water/H2O

 

Do not accept just “substitution/displacement”.

[2 marks]

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