DP Chemistry (last assessment 2024)

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Question 21N.2.sl.TZ0.b(i)

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Date November 2021 Marks available [Maximum mark: 3] Reference code 21N.2.sl.TZ0.b(i)
Level sl Paper 2 Time zone TZ0
Command term Deduce Question number b(i) Adapted from N/A
b(i).
[Maximum mark: 3]
21N.2.sl.TZ0.b(i)

White phosphorus is an allotrope of phosphorus and exists as P4.

Deduce the electron domain and molecular geometry using VSEPR theory, and estimate the Cl–P–Cl bond angle in PCl3.

[3]

Markscheme

Electron domain geometry: tetrahedral ✔

Molecular geometry: trigonal pyramidal ✔

Bond angle: 100«°» ✔

 

Accept any value or range within the range 91−108«°» for M3.

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