Alkanes Flashcards
What does saturated mean?
Saturated means the compounds only have single carbon-carbon bonds, with no double bonds.
What is the general formula of an alkane?
The general formula of an alkane is CnH2n+2.
True or False?
Alkanes are reactive compounds.
False.
Alkanes are generally unreactive compounds.
What is the name and molecular formula of the alkane containing one carbon atom?
The name and molecular formula of the alkane containing one carbon atom is methane and CH4.
What is the name and molecular formula of the alkane containing two carbon atoms?
The name and molecular formula of the alkane containing two carbon atom is ethane and C2H6.
What is the name and molecular formula of the alkane containing three carbon atoms.
The name and molecular formula of the alkane containing three carbon atom is propane and C3H8.
Name the alkane that is predominantly present in natural gas.
The alkane that is predominantly present in natural gas is methane.
What is the name and molecular formula of the fifth alkane?
The fifth alkane is pentane, with the molecular formula C5H12.
What type of reaction occurs between alkanes and halogens?
Alkanes undergo a substitution reaction with halogens in the presence of ultraviolet radiation.
What is the name and molecular formula of the fourth alkane?
The fourth alkane is butane, with the molecular formula C4H10.
State the equation for methane reacting with chlorine in the presence of UV light.
The equation for methane reacting with chlorine in the presence of UV light is:
CH4 + Cl2 → CH3Cl + HCl
State the equation for methane reacting with bromine in the presence of UV light.
The equation for methane reacting with bromine in the presence of UV light is:
CH4 + Br2 → CH3Br + HBr
What are CFCs?
CFCs are chlorofluorocarbons, an important class of halogenoalkanes.
True or False?
CFCs were previously used in fridges and air conditioners.
True.
CFCs were previously used in fridges and air conditioners.
What condition is required for alkanes to react with halogens?
The condition required for the reaction between alkanes and halogens is ultraviolet radiation / UV light.
