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Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-AC-NM-0011 markL1 FoundationCalculator¹³C NMR

How many peaks are in the ¹³C NMR spectrum of propanone,

\mathrm{CH_3COCH_3}

?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0021 markL2 StandardCalculator¹³C NMR

How many peaks are in the ¹³C NMR spectrum of butan-2-ol,

\mathrm{CH_3CH(OH)CH_2CH_3}

?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0031 markL2 StandardCalculator¹H NMR

A CH₃ group next to a CH₂ group appears as a

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0041 markL2 StandardCalculator¹H NMR

TMS is used in NMR because it

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0051 markL2 StandardCalculator¹H NMR

CDCl₃ is used as the solvent because

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0061 markL2 StandardCalculatorStructure solving

A peak disappears when D₂O is added. It was due to

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0071 markL2 StandardCalculator¹³C NMR

A ¹³C peak at δ 200 indicates

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0081 markL2 StandardCalculator¹H NMR

How many peaks are in the ¹H NMR spectrum of ethyl ethanoate,

\mathrm{CH_3COOCH_2CH_3}

?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0101 markL2 StandardCalculator¹H NMR

Integration of a ¹H NMR spectrum shows

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0111 markL2 StandardCalculator¹H NMR

How many lines are in the signal for a CH group with three equivalent H on one neighbour and three on another (e.g. the CH in

\mathrm{(CH_3)_2CH-}

)?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0091 markL3 ExamCalculatorStructure solving

\mathrm{C_2H_4O}

shows ¹H peaks at δ 2.2 (3H, doublet) and δ 9.8 (1H, quartet). It is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-NM-0121 markL3 ExamCalculatorStructure solving

A compound C₈H₁₀ shows ¹H NMR peaks: δ 7.2 (5H), δ 2.6 (2H, quartet), δ 1.2 (3H, triplet). It is

Salam Academy Original Practice · Proposed mark scheme