DP Chemistry (last assessment 2024)

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Question 18M.3.sl.TZ1.a

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.sl.TZ1.a
Level sl Paper 3 Time zone TZ1
Command term State Question number a Adapted from N/A
a.
[Maximum mark: 1]
18M.3.sl.TZ1.a

Polymers of α-glucose include the disaccharide maltose and the polysaccharide amylose, a type of starch. The cyclic structure of α-glucose is shown in section 34 of the data booklet.

State the specific type of linkage formed between α-glucose fragments in both maltose and amylose.

[1]

Markscheme

«α-1,4-»glycosidic

 

Accept «α-1,4-»glycoside.

Accept “ether”.

[1 mark]

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