Lesson 4.7.2.2
4.7.2.2 Reactions of alkenes Quiz: AQA Chemistry, Unit 7
20 questions
In partnership with Revision Ninja
Lesson 4.7.2.2, Reactions of alkenes: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 7: Organic chemistry, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What type of flame do alkenes tend to produce when burned in air?
- Invisible
- Smoky
- Green and sparkling
- Blue and clean
-
What causes alkenes to burn with smoky flames?
- Excess hydrogen gas
- Complete combustion
- Incomplete combustion
- High catalyst purity
-
What type of reaction do alkenes undergo with hydrogen, water and halogens?
- Electrolysis
- Addition
- Neutralisation
- Precipitation
-
What happens to the C=C double bond during an addition reaction?
- Becomes a triple bond
- Becomes single bond
- Remains a double bond
- Breaks completely apart
-
Which element is added to an alkene in hydrogenation?
- Carbon
- Hydrogen
- Oxygen
- Nitrogen
-
Which halogens are listed in the specification as reacting with alkenes?
- Chlorine, bromine, iodine
- Fluorine, bromine, iodine
- Fluorine, chlorine, iodine
- Fluorine, chlorine, bromine
-
Which reagent adds to an alkene to form an alcohol?
- Sodium chloride solution
- Silver nitrate solution
- Water, as steam
- Hydrochloric acid only
-
What type of bond forms when atoms add across an alkene double bond?
- Single bond
- Double bond
- Ionic bond
- Triple bond
-
Ethene reacts with bromine. What type of bond joins the two carbon atoms in the product?
- A single bond
- A triple bond
- An ionic bond
- A double bond
-
Propene reacts with hydrogen. What is the product?
- Propanol
- Propyne
- Propanoic acid
- Propane
-
Ethene reacts with steam. Which product forms?
- Ethanoic acid
- Ethyne
- Ethane
- Ethanol
-
Butene reacts with chlorine. What type of compound forms by addition?
- A chlorinated alkane
- An alkyne
- A carboxylic acid
- A metal chloride
-
What type of carbon-carbon bonds are found in the product when ethene reacts with iodine?
- A triple bond
- Ionic bonds
- Only double bonds
- Only single bonds
-
What appearance do alkenes typically show when burned in air?
- Clear blue flames
- Smoky flames
- Bright green flames
- Colourless flames
-
Which reagent converts an alkene into an alkane?
- Hydrogen
- Sodium
- Oxygen
- Water vapour only
-
What causes bromine water to turn colourless when added to an alkene?
- Substitution reaction
- Neutralisation reaction
- Addition across bond
- Oxidation reaction
-
What catalyst and condition are used for the hydrogenation of alkenes?
- Nickel catalyst and cold
- Nickel catalyst and heat
- Iron catalyst and light
- Copper catalyst and pressure
-
Which product forms when ethene is added across by hydrogen?
- Ethyne
- Ethanol
- Ethane
- Ethanoic acid
-
Complete addition of Br2 to an alkene with n carbon atoms gives which general product?
- CnHnBr2
- CnH2nBr
- CnH2n+2Br2
- CnH2nBr2
-
What released particle causes the smoky flame seen during incomplete combustion?
- Carbon particles
- Hydrogen gas
- Water vapour
- Oxygen molecules
Related quizzes
- Atoms, elements and compounds Quiz · 4.1.1.1 · 20 questions
- Using the Earth's resources and sustainable development Quiz · 4.10.1.1 · 20 questions
- Chemical bonds Quiz · 4.2.1.1 · 20 questions
- Conservation of mass and balanced chemical equations Quiz · 4.3.1.1 · 20 questions
- Metal oxides Quiz · 4.4.1.1 · 20 questions
- Energy transfer during exothermic and endothermic reactions Quiz · 4.5.1.1 · 20 questions
- Calculating rates of reactions Quiz · 4.6.1.1 · 20 questions
- Mixtures Quiz · 4.1.1.2 · 20 questions
- Potable water Quiz · 4.10.1.2 · 20 questions
- Ionic bonding Quiz · 4.2.1.2 · 20 questions