Organic Chemistry Primer Quiz

What is the primary element found in the majority of molecules on Earth?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen

How many bonds does carbon typically form?

• Five

• Four

• Three

• Two

What is the name of the compound formed when all bonds of two carbon atoms are saturated with hydrogen?

• Methane

• Ethene

• Ethyne

• Ethane

Which type of bond is demonstrated by ethyne?

• Quadruple bond

• Triple bond

• Double bond

• Single bond

What group is added to ethane to form ethanol?

• Hydroxyl group

• Amine group

• Aldehyde group

• Carboxyl group

What is the term for the basic structure of amino acids?

• Carboxylic acid

• Aldehyde

• Amino acid

• Thiols

What is the purpose of skeletal structures in organic chemistry?

• To measure molecular weight

• To represent complex molecules

• To determine molecular speed

• To show the color of molecules

What is the common fuel found in lighters represented by a skeletal structure?

• Propane

• Ethane

• Butane

• Methane

What is the name of the six-carbon ring structure that forms the basis of many organic compounds?

• Benzene

• Cyclohexane

• Toluene

• Cyclopentane

Which molecule is known as the largest with more than a billion atoms in a single human chromosome?

• DNA

• Insulin

• Hemoglobin

• Protein