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WorksheetsC3-10 Homologous Series & Alkanes
Total questions: 10
Worksheet time: 7mins
Which of these is NOT true for a homologous series?
They all share the same general formula
They all have the same functional group
They have identical chemical properties
They differ from subsequent members by CH2
The properties of an homologous series change as the carbon chain gets longer.
Use the words shorter or longer to complete the sentence:-
As the length of the chain gets ... the compounds are more viscous.
(a)
The properties of an homologous series change as the carbon chain gets longer.
Use the words shorter or longer to complete the sentence:-
As the length of the chain gets ... the compounds are more flammable.
(a)
The majority of the fractions from crude oil are used as:-
Fuels
Oils
Gases
Chemicals
Which two of the following describes all of the alkanes?
Carbohydrates
Saturated
Hydrocarbons
Viscsous
What is the general formula for ALL alkanes?
(a)
Alkanes undergo complete combustion.
What will be the products?
Carbon dioxide
Carbon monoxide
Water
Hydrogen
Alkanes undergo complete combustion.
What happens to both the carbon and hydrogen atoms in the reaction?
The activation energy is high
This is an exothermic reaction
They are both oxidised
Energy is released during complete combustion
Hydrocarbon release lots of energy when they burn. Which reaction pathway shows this?
Which sequences are correct for the three alkanes shown?
Methane is more flammable than propane
Propane is more viscous than ethane
Ethane is less volatile than methane
Propane has a shorter chain than ethen
