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WorksheetsUnit 2 Revision (Hydrocarbons)
Total questions: 17
Worksheet time: 9mins
What is a hydrocarbon?
A compound which contains carbon only
A compound which contains hydrogen and carbon only
A compound which contains hydrogen, oxygen and carbon only
A compound which contains hydrogen only
What is a homologous series?
A family of compounds that are made of hydrogen and carbon
A family of compounds with the same chemical properties and different general structure
A family of compounds with a different general formula and similar chemical properties
A family of compounds with the same general formula and similar chemical properties
What is meant by a saturated hydrocarbon?
Contains at least one carbon to carbon double bond
Contains only single covalent bonds between the carbon atoms
Contains mostly single covalent bonds between the carbon atoms
Contains a double covalent bond between the carbon atoms
What is meant by an unsaturated hydrocarbon?
Contain at least one carbon to carbon double bond or a carbon to carbon triple bond
Contain only carbon to carbon double bonds
Contain only carbon to carbon single bonds
Contain at least two carbon to carbon double bond or a carbon to carbon triple bond
What is used to test for saturation/ unsaturation?
Bromine acid
Potassium permanganate
Iodine solution
Bromine water
What is an isomer?
Compounds with different molecular formula and same structural formula
Compounds with same molecular formula and same structural formula
Compounds with same molecular formula and different structural formula
Compounds with different molecular formula and different structural formula
What name is given to the first group of cyclic hydrocarbons?
cycloalkanes
cyclicalkanes
cyclocarbons
cycloalkenes
What is the molecular formula of a methyl functional group?
CH2
CH3
C2H5
CH5
identify an isomer of but-2-ene
cyclopropane
but-3-ene
butane
but-1-ene
What is the general formula of the alkanes?
CnH2n
CnH2n+1
CnH2n+2
CnH
What is the general formula of the alkenes?
CnH2n
CnH2n+2
CnH3n
CH2n
What name is given to the reaction when you add chlorine across a double bond?
hydration
addition
hydrogenation
polymerisation
What product is formed when you react hydrogen with pent-3-ene?
cyclopentane
hex-3-ene
pent-1-ene
pentane
What is the molecular formula of the functional group ethyl?
C2H6
CH2CH3
CH5
CH3
2,2-dimethylpentane has how many carbon atoms present?
4
5
6
7
Which of these hydrocarbons would react with bromine water?
pentane
cyclopropane
ethene
ethane
2-ethyl, 3-methylhex-2-ene has how many carbon atoms?
8
7
6
5
