DP Chemistry (first assessment 2025)

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Question 19N.2.SL.TZ0.1b

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.2.SL.TZ0.1b
Level SL Paper 2 Time zone TZ0
Command term Outline, Predict Question number b Adapted from N/A
b.
[Maximum mark: 2]
19N.2.SL.TZ0.1b
(b)

Outline why both bonds in the ozone molecule are the same length and predict the bond length in the ozone molecule. Refer to section 10 of the data booklet.

Reason: 

Length:

[2]

Markscheme

resonance «structures»
OR
delocalization of «the double/pi bond» electrons ✔
121 «pm» < length < 148 «pm» ✔

NOTE: Accept any length between these two values.

Syllabus sections