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Question 20N.2.hl.TZ0.1d(v)

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Date November 2020 Marks available [Maximum mark: 3] Reference code 20N.2.hl.TZ0.1d(v)
Level hl Paper 2 Time zone TZ0
Command term Deduce Question number d(v) Adapted from N/A
d(v).
[Maximum mark: 3]
20N.2.hl.TZ0.1d(v)

Chlorine undergoes many reactions.

(d(v))

Deduce the number of signals and chemical shifts with splitting patterns in the 1H NMR spectrum of ethoxyethane. Use section 27 of the data booklet.

[3]

Markscheme

2 «signals» ✔

0.9−1.0 AND triplet ✔

3.3−3.7 AND quartet ✔

Accept any values in the ranges.

Award [1] for two correct chemical shifts or two correct splitting patterns.

Examiners report

A poorly answered question with some getting full marks on this 1HNMR spectrum of ethoxyethane question. Very few could identify all 3 of number of signals, chemical shift, and splitting pattern.

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