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Question 18M.3.SL.TZ2.1c.ii

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.SL.TZ2.1c.ii
Level SL Paper 3 Time zone TZ2
Command term Predict Question number c.ii Adapted from N/A
c.ii.
[Maximum mark: 1]
18M.3.SL.TZ2.1c.ii

Chromatography is a technique used to separate the components of a mixture. The photosynthetic pigments from three organisms were separated by thin layer chromatography: spinach (Spinacia oleracea), a red alga (Porphyra) and a brown alga (Fucus).

(c.ii)

Porphyra also contains phycoerythrin, which is a red pigment.

Predict one colour of light that will be absorbed efficiently by phycoerythrin.

[1]

Markscheme

orange/yellow/green/blue/violet

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