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Acylation reactions

Last updated: 26/01/2020

Cambridge International – A Level Chemistry Carboxylic acids and derivatives Acylation reactions

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Question 1 of 29

1. Question
What product is formed when ethanoyl chloride is reacted with phenol?
- Phenyl ethanoate
- Phenyl ethanol
- Phenyl amine
- Chlorobenzene
Correct

Incorrect
Question 2 of 29

2. Question
Which of the following products is formed during the formation of an acyl chloride?
- $SO_2$
- $SOCI_2$
- SOCl
- SO
Correct

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Question 3 of 29

3. Question
Write the equation for the reaction between ethanoyl chloride and water.
- $CH_3COCl + H_2O - > CH_3COOH + HCl$
- $CH_3COCl + H_2O - > CH_3COOH$
- $CH_3COCl + 2H_2O - > CH_3COOH + H_2$
- $HCOCl + H_2O - > HCOOH + HCl$
Correct

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Question 4 of 29

4. Question
Write the equation for the formation of an acyl chloride from propanoic acid.
- $CH_3CH_2COOH + SOCl_2 - > CH_3CH_2COCl + SO_2 + HCl$
- $CH_3CH_2COOH + SOCl - > CH_3CH_2COCl + SO + HCl$
- $CH_3CH_2COOH + SOCl_2 - > CH_3CH_2COCl + SO_2$
- $CH_3CH_2COOH + SOCl_2 - > CH_3CH_2COCl + HCl$
Correct

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Question 5 of 29

5. Question
Write the equation for the reaction between ethanoyl chloride and ammonia
- $CH_3COCl + NH_3 - > CH_3CONH_2 + HCl$
- $CH_3COCl + NH_4 - > CH_3CONH_2 + HCl$
- $CH_3COCl + NH_3 - > CH_3CONH_2$
- $CH_3COCl + NH_3 - > CH_3CONH_3 + HCl$
Correct

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Question 6 of 29

6. Question
What type of reaction occurs when a chlorine atom in an acyl chloride is substituted?
- Elimination
- Addition
- Neutralisation
- Reversible
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Question 7 of 29

7. Question
Write the equation for the reaction between ethanoyl chloride and methylamine.
- $CH_3COCl + CH_3NH_2 - > CH_3CONHCH_3 + HCl$
- $CH_3COCl + CH_3NH_3 - > CH_3CONHCH_3 + HCl$
- $CH_3COCl + CH_3NH_3 - > CH_3CONHCH_3$
- $CH_3COCl + CH_3NH_3 - > CH_3CONCH_3CH_3 + HCl$
Correct

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Question 8 of 29

8. Question
What type of reaction occurs when a chlorine atom in an acyl chloride is substituted?
- Nucleophilic addition
- Electrophilic substitution
- Electrophilic addition
- Nucleophilic substitution
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Question 9 of 29

9. Question
During the production of a carboxylic acid, using an acyl chloride, what are the reaction conditions?
- Cold water
- Metal catalyst
- High temperatures
- Acid catalyst
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Question 10 of 29

10. Question
What product is formed when an acyl chloride reacts with water?
- Carboxylic acid
- Ester
- Secondary amide
- Primary amide
Correct

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Question 11 of 29

11. Question
What product is formed when ethanoyl chloride is reacted with cold water?
- Ethanoic acid
- Methyl ethanoate
- Ethanamide
- N-methylethanamide
Correct

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Question 12 of 29

12. Question
What product is formed when an acyl chloride reacts with an alcohol?
- Ester
- Carboxylic acid
- Secondary amide
- Primary amide
Correct

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Question 13 of 29

13. Question
What is the first stage of the reaction mechanism for the hydrolysis of an acyl chloride?
- Nucleophilic attack on positive carbon
- Electrophilic attack on negative carbon
- Nucleophilic attack on negative carbon
- Electrophilic attack on positive carbon
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Question 14 of 29

14. Question
What product is formed when an acyl chloride reacts with ammonia?
- Primary amide
- Secondary amide
- Ester
- Carboxylic acid
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Question 15 of 29

15. Question
Which atom/group of atoms are attached to the carbon atom during the first stage of the reaction mechanism for the hydrolysis of an acyl chloride?
- Water
- Hydroxide
- Chlorine
- Hydrogen
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Question 16 of 29

16. Question
What product is formed when an acyl chloride reacts with an amine?
- Secondary amide
- Primary amide
- Ester
- Carboxylic acid
Correct

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Question 17 of 29

17. Question
What atom donates the lone pair of electrons during the first stage of the reaction mechanism for the hydrolysis of an acyl chloride?
- Oxygen
- Hydrogen
- Carbon
- Chlorine
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Question 18 of 29

18. Question
What product is formed when an acyl chloride reacts with phenol?
- Ester
- Primary amide
- Secondary amide
- Carboxylic acid
Correct

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Question 19 of 29

19. Question
What is the second stage of the reaction mechanism for the hydrolysis of an acyl chloride?
- Elimination of the chlorine atom
- Elimination of water
- Elimination of the carbon atom
- Elimination of the oxygen atom
Correct

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Question 20 of 29

20. Question
Within acylation reactions, what other small product is formed?
- Hydrochloric acid
- Chlorine
- Hydrogen
- Water
Correct

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Question 21 of 29

21. Question
What type of atom is lost during the reaction mechanism of the hydrolysis of an acyl chloride?
- Chlorine
- Carbon
- Oxygen
- Hydrogen
Correct

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Question 22 of 29

22. Question
What compound is formed during the hydrolysis of an acyl chloride?
- Ethanoic acid
- Ethanoic anhydride
- Ethyl ethanoate
- Ethanal
Correct

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Question 23 of 29

23. Question
What is the functional group of an acyl chloride?
- -COCI
- -COOH
- -COCIH
- -OCI
Correct

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Question 24 of 29

24. Question
What product is formed when ethanoyl chloride is reacted with methanol?
- Methyl ethanoate
- Ethanoic acid
- Ethanamide
- N-methylethanamide
Correct

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Question 25 of 29

25. Question
What is the general formula of an acyl chloride?
- $C_nH_2_n_-_1OCl$
- $C_nH_n_-_1OCl$
- $C_nH_2_nOCl$
- $C_nH_2_n_+_1OCl$
Correct

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Question 26 of 29

26. Question
What product is formed when ethanoyl chloride is reacted with ammonia?
- Ethanamide
- Methyl ethanoate
- Ethanoic acid
- N-methylethanamide
Correct

Incorrect
Question 27 of 29

27. Question
What can you react with a carboxylic acid to form an acyl chloride?
- $SOCI_2$
- Water
- Hydrogen chloride
- Chlorine
Correct

Incorrect
Question 28 of 29

28. Question
What product is formed when ethanoyl chloride is reacted with methylamine?
- N-methylethanamide
- Methyl ethanoate
- Ethanoic acid
- Ethanamide
Correct

Incorrect
Question 29 of 29

29. Question
What can you react with $SOCl_2$ to form an acyl chloride?
- Acyl chloride
- Ester
- Haloalkane
- Alkane
Correct

Incorrect

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