WorksheetsHigher Intro to Unit 2 - Quiz 3
Total questions: 14
Worksheet time: 44mins
Rum flavouring is based on the compound with the formula shown. It can be made from
ethanol and butanoic acid
propanol and ethanoic acid
butanol and methanoic acid
propanol and propanoic acid.
Which of the following is an isomer of ethyl propanoate?
Pentan-2-one
Pentanoic acid
Methyl propanoate
Pentan-1,2-diol
Which of the following is most likely to be used as a flavouring?
CH3CH2CHO
CH3CH2CH2COOH
CH3CH(OH)CH2CH3
CH3CH2CH2COOCH2CH3
Hydrolysis of an ester gave an alkanol and an alkanoic acid both of which had the same molecular mass (or GFM) of 60.
The structure of the ester was
An ester has the following structural formula CH3CH2CH2COOCH2CH3
The name of this ester is
propyl propanoate
ethyl butanoate
butyl ethanoate
ethyl propanoate
A compound with molecular formula C6H12O2, could be
hexanal
hexan-2-ol
hexan-2-one
hexanoic acid
Esters are formed by the reaction between which two functional groups?
A hydroxyl group and a carboxyl group
A hydroxyl group and a carbonyl group
A hydroxide group and a carboxyl group
A hydroxide group and a carbonyl group
The chemical indicator in a breath test kit turns from orange to green when a motorist is over the legal alcohol limit. Which of the following indicators could have been used in a breath test kit?
Tollens’ reagent
Fehling’s solution
Acidified potassium dichromate
Benedict’s solution
Aspirin and oil of wintergreen are used in medicine. Their structures are shown below.
Identify the term which can be applied to aspirin but not to oil of wintergreen.
Aldehyde
Ketone
Ester
Carboxylic acid
An ester has the structural formula shown. On hydrolysis, the ester would produce
ethanoic acid and propan-1-ol
ethanoic acid and propan-2-ol
propanoic acid and propan-1-ol
propanoic acid and propan-2-ol
Which process is used to convert ethanal to ethanoic acid?
Hydrogenation
Condensation
Hydration
Oxidation
Which of the following organic compounds is an isomer of hexanal?
2-Methylbutanal
3-Methylpentan-2-one
2,2-Dimethylbutan-1-ol
3-Ethylpentanal
A compound with the following structure is used in perfumes to help provide a sweet, fruity fragrance. This compound could be classified as
an aldehyde
a carboxylic acid
an ester
a ketone
Enzymes are involved in the browning of cut fruit. One reaction taking place is shown. Which of the following correctly describes the above reaction?
Reduction
Dehydration
Condensation
Oxidation
