Phenols Quiz

Which property explains why phenol has a higher boiling point compared to similar hydrocarbons?

• Covalent bonding

• Hydrogen bonding

• Ionic bonding

• Metallic bonding

Phenol's solubility in water is due to its ability to:

• Form covalent bonds with water molecules

• Form hydrogen bonds with water molecules

• Increase entropy in solution

• Dissociate into ions

Electron-donating groups on a phenol ring __________ the acidity of phenol.

• increase

• decrease

• do not affect

• neutralize

During nitration, phenol primarily yields which of the following products?

• 2-nitrophenol and 4-nitrophenol

• 2,4-dinitrophenol

• 2,4,6-trinitrophenol

• 3-nitrophenol

Which of the following is more acidic than phenol due to the presence of strong electron-withdrawing groups?

• Ethanol

• Water

• 2,4,6-Trinitrophenol

• Methanol

The solubility of phenol in aqueous sodium hydroxide is an indication of its:

• Basicity

• Acidity

• Reducing properties

• Oxidizing properties

Which condition favors the formation of 2,4,6-trinitrophenol (picric acid) from phenol?

• Reaction with dilute nitric acid

• Reaction with a mixture of concentrated nitric acid and sulfuric acid at 323K

• Heating with sulfuric acid alone

• Prolonged exposure to light and air

Phenol reacts with aqueous bromine to predominantly form:

• 2-Bromophenol

• 4-Bromophenol

• 2,4,6-Tribromophenol

• 2,4-Dibromophenol

What is the correct IUPAC name for the compound commonly known as resorcinol?

• 1,2-Benzenediol

• 1,3-Benzenediol

• 1,4-Benzenediol

• 1,5-Benzenediol

What primarily contributes to the greater acidity of phenols compared to alcohols?

• Increased molecular weight

• Resonance stabilization of the phenoxide ion

• Presence of additional hydroxyl groups

• Increased electron density around the oxygen atom