DP Chemistry (last assessment 2024)

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Question 22M.1.sl.TZ1.11

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1.sl.TZ1.11
Level sl Paper 1 Time zone TZ1
Command term Deduce Question number 11 Adapted from N/A
11.
[Maximum mark: 1]
22M.1.sl.TZ1.11

Which molecule is most polar?

A.  CF4

B.  CCl4

C.  CHF3

D.  CClF3

[1]

Markscheme

C

Examiners report

Question 11 was identified in the G2s as a tricky question, because students could have difficulty resolving the conflict between the greater polarity of the C-Cl bond compared with the C-H bond, and their contrast with the polarity of the C-F bond.) However, 56% of student did identify the correct answer of C.

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