DP Chemistry (last assessment 2024)

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Question 17N.1.sl.TZ0.21

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.1.sl.TZ0.21
Level sl Paper 1 Time zone TZ0
Command term Question number 21 Adapted from N/A
21.
[Maximum mark: 1]
17N.1.sl.TZ0.21

What are the oxidation states of chromium in (NH4)2Cr2O7 (s) and Cr2O3 (s)?

[1]

Markscheme

B

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