MULTIPLE CHOICE TEST
What is the name of the compound with the structural formula, CH3CH(CH3)CHOHCH3? pentanol 2-methylbutanol 2-methylbutan-3-ol
Which of the following compounds has the highest boiling point?
4. What is the name of the
compound with the structural formula, (CH3)3COH?
The number of structural isomers of alcohols with the molecular formula C4H10O
The number of primary (1°) alcohols with molecular formula C4H10O
The C-O-H bond angle in ethanol is approximately...
8. Which one of the following methods cannot be used to make ethanol?
fermentation of glucose
oxidation of ethanal
hydration of ethene using steam
How many moles of oxygen are required exactly for the complete combustion of
one mole of C3H7OH?
Which one of the following cannot be made directly from propan-1-ol?
Which one of the following statements about the oxidation of alcohols is true?
tertiary alcohols are easily oxidised
secondary alcohols are easily oxidised to aldehydes
primary alcohols are easily oxidised to aldehydes
Which one of the following is formed when butanal is reduced?
13. Which one of these is
true of the laboratory conversion of ethanol into ethanal?
it involves reduction
the mixture is refluxed
distillation apparatus is used
14. Which of the following
cannot be used to differentiate between butanal and butanone
ammoniacal silver nitrate solution
The reaction between ethanol and ethanoic acid is an example of...
free radical substitution
Which of the following statements about the reaction between methanol and
ethanoic acid is not true?
it is an example of equilibrium
it uses concentrated sulphuric acid as a catalyst
ethyl methanoate is formed
Which pair of compounds can be used to make propyl methanoate?
CH3OH and CH3COOH
C3H7OH and CH3COOH
C3H7OH and HCOOH
18. Which one of the
following is true about esters?
They are formed from aldehydes reacting with alcohols.
They form intermolecular hydrogen bonds between
They can be hydrolysed to give alcohols and carboxylic
Which of the following methods could not be used to differentiate ethanal from
molecular mass determination
empirical formula determination
Which one of the following statements about infrared spectra is not true?
alcohols show an absorption at about 3500cm-1
aldehydes and ketones show an absorption at around
carboxylic acids show absorptions at around 1650cm-1
and at about 3000cm-1
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