19 - Hydrocarbons Review Quiz 2

What two elements are present in crude oil?

• Carbon and Nitrogen

• Carbon and Oxygen

• Carbon and Hydrogen

• Carbon and Chlorine

What is a homologous series?

• A group of compounds with no functional groups

• A group of compounds with different physical properties

• A group of compounds with the same general formula and similar chemical properties

• A group of compounds with different chemical properties

Which type of hydrocarbons contain only carbon–carbon single bonds and carbon–hydrogen bonds?

• Aromatics

• Alkanes

• Alkynes

• Alkenes

What is the general formula for alkanes?

• C_nH_2n-4

• C_nH_2n-2

• C_nH_2n+2

• C_nH²ⁿ

What happens when alkanes burn in excess oxygen?

• Carbon monoxide and soot are formed

• Methane gas is produced

• Carbon dioxide and water are produced

• Hydrogen gas is released

Which compounds have double covalent bonds between the carbon atoms?

• Alkenes

• Aromatics

• Alkynes

• Alkanes

What is the general formula for alkenes?

• C_nH_2n+1

• C_nH_2n

• C_nH_2n+2

• C_nH²ⁿ

What test is used to differentiate between saturated and unsaturated compounds?

• Litmus test

• Bromine water test

• Iodine test

• Hydrogen peroxide test

What is the process of converting unsaturated vegetable oils into a solid product called?

• Combustion

• Polymerization

• Cracking

• Hydrogenation

What are compounds that have the same molecular formula but different structural formulae called?

• Isomers

• Homologous series

• Alkenes

• Alkanes