BJU Section 20.2

What element is central to all organic compounds?

• Oxygen

• Nitrogen

• Carbon

• Chlorine

Tags

NGSS.HS-LS1-6

NGSS.HS-LS2-5

Which type of hydrocarbon contains only single bonds?

• Alkynes

• Alkanes

• Alkenes

• Aromatics

Which of the following is an example of an aromatic compound?

• Ethane

• Propane

• Butyne

• Benzene

Which formula represents a hydrocarbon with a triple bond?

• C₄H₄

• C₄H₆

• C₂H₂

• C₆H₆

What kind of reaction is typical for alkenes?

• Substitution

• Decomposition

• Addition

• Neutralization

What is the IUPAC name for CH₄?

• Methanol

• Methanoic acid

• Methane

• Ethene

Compounds with the same molecular formula but different structures are called:

• Isobars

• Isomers

• Polymers

• Conformers

Which of the following is a saturated hydrocarbon?

• Ethyne

• Propene

• Butane

• Benzene

What type of bonding allows carbon to form chains and rings?

• Ionic

• Hydrogen

• Metallic

• Covalent

Tags

NGSS.HS-LS1-6

What is produced in a complete combustion reaction of a hydrocarbon?

• Methanol and hydrogen

• Water and carbon

• Carbon dioxide and water

• Oxygen and carbon monoxide