Question 1

An organic compound J reacts with sodium to produce an organic ion with a charge of -3.

J reacts with NaOH(aq) to produce an organic ion with a charge of -1.

What could be the structural formula of J?

  A  

HOOCCH(OH)CH2COOH

  B  

HOOCCH(OH)CH2CHO

  C  

HOCH2CH(OH)CH2COOH

  D  

HOCH2COCH2CHO


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Question 2

At room temperature, propanoic acid was reacted to produce sodium propanoate. No gas was produced during the reaction.

What could the propanoic acid have reacted with?

  A  

NaHCO3(aq)

  B  

NaOH(aq)

  C  

Na2CO3(aq) 

  D  

Na2SO4(aq)

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Question 3

Malic acid is found in apples.

Which reagent will react with all three -OH groups present in the malic acid molecule?

  A  

ethanol in the presence of concentrated sulfuric acid

  B  

potassium hydroxide


  C  

sodium

  D  

sodium carbonate

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Question 4

The ester CH3CH2CH2CO2CH2CH(CH3)2 was hydrolysed under acidic conditions.

What are the organic products of this hydrolysis?

  A  

butanoic acid and 2-methylpropan-1-ol

  B  

butanoic acid and 2-methylpropan-2-ol


  C  

butan-1-ol and 2-methylpropanoic acid


  D  

propanoic acid and 2-methylpropan-1-ol

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Question 5

Which mixture could be used to produce propyl methanoate?

  A  

CH3CH2COOH and CH3OH

  B  

CH3CH2CH2CH2OH and HCOOH

  C  

CH3CH2CH2OH and HCOOH

  D  

CH3CH2CH2COOH and CH3OH

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Question 6

Which statement about carboxylic acids is correct?

  A  

they can be made by oxidising secondary alcohols

  B  

they react with phenols

  C  

they do not fizz with sodium carbonate solution

  D  

they form esters when reacted with tertiary alcohols

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Question 7

Which compound is formed by acid hydrolysis of phenylmethyl ethanoate?

  A  

C6H5CH2OH


  B  

C6H5CHO

  C  

C6H5COCH3

  D  

C6H5COOH

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