DP Chemistry (last assessment 2024)

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Question 18N.1.sl.TZ0.21

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.sl.TZ0.21
Level sl Paper 1 Time zone TZ0
Command term Question number 21 Adapted from N/A
21.
[Maximum mark: 1]
18N.1.sl.TZ0.21

Which is correct for the reaction?

P4 (s) + 3H2O (l) + 3OH− (aq) → PH3 (g) + 3H2PO2− (aq)

 

[1]

Markscheme

D

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