Crude Oil, Hydrocarbons & Alkanes Quiz

What type of bonds can carbon form?

• Only single covalent bonds

• Single, double, and triple covalent bonds

• Only ionic bonds

• Only hydrogen bonds

What is a functional group in organic chemistry?

• A specific atom or group of atoms that confer certain physical and chemical properties onto the molecule

• A group of atoms that determines the molecule's state of matter

• A collection of molecules that react in a specific way

• The longest chain of carbon atoms in a compound

What is the general formula for alkanes?

• CnHn

• CnH2n+2

• CnHn+2

• CnH2n

How are organic compounds classified?

• By their melting point

• By the number of carbon atoms

• By the dominant functional group on the molecule

• By their solubility in water

What does the term 'saturated' mean in the context of alkanes?

• They contain only single carbon-carbon bonds

• They are fully dissolved in water

• They contain at least one double carbon-carbon bond

• They can no longer react with other compounds

What is crude oil primarily composed of?

• Alcohols and ethers

• Water and carbon dioxide

• Only methane

• A complex mixture of hydrocarbons

What is the major component of natural gas?

• Butane

• Propane

• Ethane

• Methane

What effect does adding a carbon atom to a hydrocarbon chain have?

• Turns the compound into an unsaturated hydrocarbon

• Adds two hydrogen atoms

• Does not change the number of hydrogen atoms

• Decreases the number of hydrogen atoms by two

What is the significance of a homologous series in organic chemistry?

• It is a classification based on the compounds' solubility

• It is a series of compounds that react in the same way

• It is a series of compounds with the same functional group and similar chemical properties

• It refers to a series of compounds with different boiling points

What is the displayed formula used to show?

• The spatial arrangement of all the atoms and bonds in a molecule

• The simplest ratio of atoms in a compound

• The general formula for a homologous series

• The number of each type of atom in a molecule without showing bonds