DP Chemistry (first assessment 2025)

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Question 21N.2.SL.TZ0.a(ii)

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.2.SL.TZ0.a(ii)
Level SL Paper 2 Time zone TZ0
Command term Formulate Question number a(ii) Adapted from N/A
a(ii).
[Maximum mark: 1]
21N.2.SL.TZ0.a(ii)

Write an equation for the reaction of white phosphorus (P4) with chlorine gas to form phosphorus trichloride (PCl3).

[1]

Markscheme

P4 (s) + 6Cl2 (g) → 4PCl3 (l) ✔

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