Lesson 17C.2
17C.2 Acyl chlorides, esters and their reactions Quiz: Pearson Edexcel Chemistry, Unit 17
20 questions
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Lesson 17C.2, Acyl chlorides, esters and their reactions: 20 multiple choice questions for the Pearson Edexcel Chemistry (9CH0), Unit 17: Organic Chemistry II, written with Revision Ninja.
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The 20 questions
-
What is the functional group formula for an acyl chloride?
- -COCl
- -COOR
- -COOH
- -CONH2
-
Which organic product is formed when an acyl chloride reacts with water?
- Amide
- Carboxylic acid
- Aldehyde
- Ester
-
Which organic product is formed when an acyl chloride reacts with an alcohol?
- Amide
- Ester
- Ether
- Carboxylic acid
-
Which organic product is formed when ethanoyl chloride reacts with concentrated ammonia?
- Ethylamine
- Ethanamide
- Ethanenitrile
- N-ethylethanamide
-
What type of organic product is formed when ethanoyl chloride reacts with butylamine?
- Ester
- Primary amide
- Tertiary amine
- N-substituted amide
-
Why is the carbonyl carbon in an acyl chloride particularly electron-deficient?
- Chlorine is electron-donating
- Chlorine decreases polarity
- Chlorine is electron-withdrawing
- Chlorine increases sterics
-
Which reagent is used for the alkaline hydrolysis of an ester?
- Dilute hydrochloric acid
- Sodium hydroxide solution
- Concentrated sulphuric acid
- Ethanolic ammonia
-
Which carboxylate salt is produced by the alkaline hydrolysis of ethyl ethanoate using sodium hydroxide?
- Ethyl hydroxide
- Sodium ethanoate
- Sodium methanoate
- Sodium propanoate
-
Why does the alkaline hydrolysis of an ester go to completion?
- Catalyst gets depleted
- Ester evaporates rapidly
- Carboxylate ion formed
- Alcohol is destroyed
-
What type of reaction is the acid-catalysed hydrolysis of an ester?
- Reversible reaction
- Addition reaction
- Elimination reaction
- Irreversible reaction
-
What is the chemical name for the compound formed when ethanoyl chloride reacts with methanol?
- Ethanoic methanol
- Methyl ethanoate
- Methyl ethanamide
- Ethyl methanoate
-
Which functional group formula represents a primary amide?
- -NH2
- -COOH
- -CONH2
- -COCl
-
Why is an acyl chloride preferred over a carboxylic acid for ester synthesis?
- Produces water by-product
- Reversible reaction
- Higher ester yield
- Requires acid catalyst
-
Which reagent is produced as a by-product when an acyl chloride reacts with an alcohol to form an ester?
- Hydrogen chloride gas
- Carbon dioxide gas
- Sodium chloride solid
- Water vapour only
-
What is the structure of the ester formed from propanoyl chloride and ethanol?
- Ethyl propanamide
- Ethyl propanoate
- Ethanoyl propanoate
- Propyl ethanoate
-
Which bond is cleaved in an ester molecule during hydrolysis?
- C=O double bond
- C-O single bond
- C-C single bond
- O-H single bond
-
Which carboxylic acid is produced when ethanoyl chloride reacts with water?
- Propanoic acid
- Ethanol
- Methanoic acid
- Ethanoic acid
-
What is present in the mixture at equilibrium during acid ester hydrolysis?
- Alkane, acid, water
- Acid, alcohol, ester
- Salt, alcohol, water
- Acyl chloride, alcohol
-
Why are acyl chlorides preferred over carboxylic acids when preparing amides?
- Lower solubility
- Higher boiling point
- Higher reactivity
- Lower yield
-
Which organic product forms when ethanoyl chloride reacts with excess concentrated ammonia?
- Ethanamide
- N-methylethanamide
- Ethylamine
- Ethanoic acid
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