DP Chemistry (last assessment 2024)

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Question 21M.2.hl.TZ2.5b

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Date May 2021 Marks available [Maximum mark: 2] Reference code 21M.2.hl.TZ2.5b
Level hl Paper 2 Time zone TZ2
Command term Determine Question number b Adapted from N/A
b.
[Maximum mark: 2]
21M.2.hl.TZ2.5b

Ethanol and methanoic acid are important industrial products.

(b)

Oxidation of ethanol with potassium dichromate, K2Cr2O7, can form two different organic products. Determine the names of the organic products and the methods used to isolate them.

[2]

Markscheme

ethanal AND distillation ✓

ethanoic acid AND reflux «followed by distillation» ✓


Award [1] for both products OR both methods.

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