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-CA-0011 markL1 FoundationCalculatorCarboxylic acids

Carboxylic acids react with sodium carbonate to give

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SA-AC-CA-0021 markL1 FoundationCalculatorEsters

The ester formed from ethanol and methanoic acid is

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SA-AC-CA-0121 markL1 FoundationCalculatorCarboxylic acids

Carboxylic acids are

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SA-AC-CA-0031 markL2 StandardCalculatorEsters

Alkaline hydrolysis of methyl ethanoate with NaOH gives

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SA-AC-CA-0041 markL2 StandardCalculatorEsters

Alkaline hydrolysis of esters is preferred over acid hydrolysis because it

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SA-AC-CA-0051 markL2 StandardCalculatorCarboxylic acids

Propanenitrile hydrolysed with dilute acid under reflux gives

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SA-AC-CA-0061 markL2 StandardCalculatorCarboxylic acids

Carboxylic acids are reduced to primary alcohols by

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SA-AC-CA-0072 marksL2 StandardCalculatorEsters

Calculate

M_r

of ethyl ethanoate,

\mathrm{CH_3COOC_2H_5}

. (C 12, H 1, O 16)

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SA-AC-CA-0091 markL2 StandardCalculatorUses

Fats and oils are esters of

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SA-AC-CA-0101 markL2 StandardCalculatorUses

Soap is made by heating fats with

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SA-AC-CA-0083 marksL3 ExamCalculatorEsters

6.0

g of ethanoic acid (

M_r

60) reacts with excess ethanol, giving

5.28

g of ethyl ethanoate (

M_r

88). Calculate the percentage yield.

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SA-AC-CA-0111 markL3 ExamCalculatorEsters

An ester

\mathrm{C_5H_{10}O_2}

hydrolyses to give ethanoic acid. The alcohol formed is

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