DP Chemistry (last assessment 2024)

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Question 17N.2.hl.TZ0.b

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.2.hl.TZ0.b
Level hl Paper 2 Time zone TZ0
Command term Predict Question number b Adapted from N/A
b.
[Maximum mark: 1]
17N.2.hl.TZ0.b

Lewis (electron dot) structures are useful models.

Predict whether the molecules PF3 and PF5 are polar or non-polar.

[1]

Markscheme

PF3 polar AND PF5 non-polar

Apply ECF from part (a) molecular geometry.