Lesson 6D.1
6D.1 Classifying and reacting halogenoalkanes Quiz: Pearson Edexcel Chemistry, Unit 6
20 questions
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Lesson 6D.1, Classifying and reacting halogenoalkanes: 20 multiple choice questions for the Pearson Edexcel Chemistry (9CH0), Unit 6: Organic Chemistry I, written with Revision Ninja.
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The 20 questions
-
How many alkyl groups are bonded to the halogen-bearing carbon in a primary halogenoalkane?
- Four
- Three
- Two
- One
-
Which of these halogenoalkanes is classified as a tertiary structure?
- 1-bromobutane
- 2-bromobutane
- 2-bromo-2-methylpropane
- 1-bromo-2-methylpropane
-
Which compound is a secondary halogenoalkane?
- 2-bromobutane
- 1-bromobutane
- 2-methyl-2-bromopropane
- Bromobenzene
-
Which phrase best describes the fundamental role of a nucleophile?
- Proton donor
- Free radical
- Electron-pair acceptor
- Electron-pair donor
-
What is the product of bromoethane heated with aqueous potassium hydroxide?
- Ethylamine
- Ethanol
- Ethene
- Ethanal
-
When 1-bromobutane is warmed with aqueous silver nitrate in ethanol, what precipitate forms?
- White silver chloride
- Cream silver bromide
- Brown silver oxide
- Yellow silver iodide
-
Which colour precipitate is formed with silver nitrate when a chloroalkane is hydrolysed?
- Black
- Cream
- White
- Yellow
-
What is the product when bromoethane reacts with potassium cyanide in ethanol?
- Propanenitrile, CH3CH2CN
- Ethanenitrile, CH3CN
- Propanoic acid, CH3CH2COOH
- Ethanamide, CH3CONH2
-
Which main organic product forms when 1-bromobutane reacts with excess ammonia?
- Butanenitrile
- Dibutylamine
- Butylamine
- Tributylamine
-
What role do hydroxide ions play when 2-bromobutane reacts with hot ethanolic KOH?
- Oxidising agent
- Electrophile
- Base
- Nucleophile
-
What mass of ethanol (Mr = 46.0) is formed from 10.9 g of bromoethane (Mr = 109)?
- 2.30 g
- 4.60 g
- 10.9 g
- 9.20 g
-
Which reagent converts a halogenoalkane into a nitrile with an extra carbon atom?
- Ammonia, NH3
- Potassium cyanide, KCN
- Potassium iodide, KI
- Silver nitrate, AgNO3
-
What is the name of the product of 2-bromo-2-methylpropane with aqueous potassium hydroxide?
- 2-bromo-2-methylpropanol
- 2-methylpropan-1-ol
- 2-methylpropene
- 2-methylpropan-2-ol
-
Which observation confirms the presence of halide ions during silver nitrate testing?
- Gas evolution
- Effervescence
- Colourless solution
- Coloured precipitate
-
What is the name of CH3CH2CH2Cl?
- Chloroethane
- 1-chloropropene
- 1-chloropropane
- 2-chloropropane
-
Why is excess ammonia used when preparing a primary amine from a halogenoalkane?
- Speeds up hydrolysis
- Prevents further substitution
- Increases activation energy
- Prevents elimination
-
What precipitate forms when 1-iodobutane reacts with aqueous silver nitrate in ethanol?
- Cream precipitate
- Yellow precipitate
- White precipitate
- Brown precipitate
-
Which bond breaks and is replaced by C-OH during halogenoalkane hydrolysis?
- C-X bond
- O-H bond
- C-H bond
- C-C bond
-
What is the product when 2-chloropropane is heated with aqueous potassium hydroxide?
- Propene
- Propan-1-ol
- Propanone
- Propan-2-ol
-
Which halogenoalkane gives an alkene when heated with ethanolic potassium hydroxide?
- 2-bromobutane
- 1-chloro-2-methylpropan-2-ol
- Bromomethane
- Chloromethane
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