11 mark
What is the correct name of the following amine?
Triethylamine
Trimethylamine
Diethylamine
N-methylethylamine
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Amines (AQA A Level Chemistry)
Exam Questions
3 hours30 questions21 mark
Which of the following amines is the strongest base?
Methylamine
Phenylamine
Ammonia
Dimethylamine
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31 mark
What are the correct reagents and conditions for the formation of propylamine, CH3CH2CH2NH2?
Excess 1-bromopropane and ammonia
1-bromopropane and excess ammonia in a sealed tube
2-bromopropane and excess ammonia in a sealed tube
Excess 2-bromopropane and ammonia
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41 mark
What is the name of the following quaternary ammonium salt?
Tetramethylammonium bromide
Methylammonium bromide
Tetraethylammonium bromide
Ethylammonium bromide
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51 mark
Which two reactants are required for the formation of N-ethyl butanamide?
1-chlorobutane and ammonia
Ethanoic anhydride and butylamine
Ethanoyl chloride and butylamine
Butanoyl chloride and ethylamine
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11 mark
The name of the following amine is
N-propylmethylamine
Butylamine
2-aminobutane
N-methylpropylamine
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21 mark
When a large excess of ammonia reacts with chloroethane, which of the following statements is true?
The electrophilic substitution occurs
The formation of the quaternary ammonium salt is favoured
One mole of ammonia reacts with one mole of chloroethane to produce a primary amine
The formation of a primary amine is favoured
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31 mark
Which of the following explains why propylamine is a stronger base than phenylamine?
Electron density is pulled away from the nitrogen atom in propylamine
Alkyl groups are electron withdrawing groups
The lone pair on the nitrogen atom in phenylamine becomes delocalised into the benzene ring
The positive inductive effect is greater in phenylamine than propylamine
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41 mark
Which of the following is not a use for a quaternary ammonium salt?
Bactericide
Azo dye
Detergent
Hair conditioner
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51 mark
When propylamine is produced, which of the following statements is not correct?
LiAlH4 can be used to reduce propanenitrile
The nitrile group acts as a nucleophile when reacted with 1-chloropropane
1-chloropropane is heated under reflux with potassium cyanide and ethanol
Ammonia reacts with 1-chloropropane in a sealed tube
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11 mark
The reaction between a haloalkane and an amine produces a mixture of products.
Which of the following combinations would produce a solid product of [(C2H5)3N(CH3)]+Br -?
Bromomethane and ethylamine
Bromoethane and ammonia
Bromoethane and methylamine
Bromoethane and ethylamine
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21 mark
Which of the following statements about amides is not correct?
N-substituted amides have lower melting points and boiling points than unsubstituted amides because fewer hydrogen bonds can form
All amides can form hydrogen bonds with water
Low molecular weight amides are always water-soluble
The melting points of low molecular weight amides are low for their size
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31 mark
Which of the following compounds would be produced between the reaction of propylamine and ethanoic anhydride?
HCl
(CH3CH2CH2)2NH
CH3COOH
CH3COO- NH3+CH2CH2CH3
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41 mark
The formula of an organic molecule is shown below.
Which of the following statements is correct?
The presence of the chlorine atom increases the base strength of the molecule
The molecule can form hydrogen bonds
The molecule can act as strong base
The presence of the chlorine atom decrease the base strength of the molecule
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51 mark
What is the IUPAC name of the amine shown below?
Dimethyldiethyl ammonium chloride
Diethylmethyl ammonium chloride
Diethyldimethyl ammonium chloride
Methylethyl ammonium chloride
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