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Topic 21
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Total cards: 2•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
Predict the chemical shifts and integration for each signal in the 1H NMR spectrum for ethanol using section 27 of the data booklet.
Back (Answer)
R–OH: 1.0–6.0 «ppm» AND 1 H R–O–CH2–: 3.3–3.7 «ppm» AND 2 H –CH3: 0.9–1.0 «ppm» AND 3 H
#2
Front (Question)
Why is TMS used as the standard for HNMR?
Back (Answer)
• It is non toxic and unreactive • It is volatile so has a low boiling point in order to be removed from the sample • All its protons are in the same chemical environment so it gives a strong single peak