Organic Chemistry Quiz

What is the chemistry of the compounds present in living organisms?

• Analytical Chemistry

• Organic Chemistry

• Physical Chemistry

• Inorganic Chemistry

Which element is the focus of Organic Chemistry?

• Hydrogen

• Carbon

• Oxygen

• Nitrogen

What is the ability of carbon to form four strong covalent bonds called?

• Polymerization

• Hydrogenation

• Isomerization

• Catenation

Which functional group is characteristic of alcohols?

• -C≡N

• -COOH

• -NH2

• -OH

What is the general formula for alkanes?

• CnH2n-2

• CnH2n

• CnH2n+2

• CnH2n+1

Which factor affects the physical properties of organic compounds related to the structure of the functional group?

• Presence of halogens

• Dipole moment of the molecule

• Formation of hydrogen bonding

• Length of carbon chains

Why do molecules with polar functional groups have higher boiling points?

• They have lower molecular masses

• They have higher densities

• They have weaker intermolecular attractions

• They have stronger intermolecular attractions

What affects the solubility of organic molecules in different solvents?

• Pressure

• Polarity of the solvent

• Molecular weight

• Temperature

Why do molecules with higher molecular masses have higher melting points and boiling points?

• They have lower densities

• They have weaker London dispersion forces

• They have stronger London dispersion forces

• They have smaller molecular sizes

Which functional group is characteristic of carboxylic acids?

• -C≡N

• -NH2

• -OH

• -COOH