Quiz on Haloarenes

What are haloarenes?

• Aromatic compounds with halogen atoms

• Aromatic compounds with hydroxyl groups

• Aliphatic compounds with halogen atoms

• Aromatic compounds with carboxyl groups

Which is the correct IUPAC name for C₆H₅Cl?

• Chlorobenzene

• Phenyl chloride

• Benzyl chloride

• Chloroarene

Why are haloarenes less reactive than haloalkanes towards nucleophilic substitution?

• Resonance effect

• Inductive effect

• Steric hindrance

• Hyperconjugation

Which is the major product when chlorobenzene reacts with sodium in the presence of dry ether?

• Benzene

• Diphenyl

• Biphenyl

• Phenol

What is the hybridization of the carbon atom attached to the halogen in haloarenes?

• sp

• sp²

• sp³

• sp³d

Which of the following reagents can convert chlorobenzene to phenol?

• NaOH (fused)

• NaOH (aqueous)

• HCl

• KCl

Which of the following is a nucleophile in nucleophilic aromatic substitution reactions?

• OH⁻

• NH₃

• Cl⁻

• Both (a) and (b)

What is the nature of the C-X bond in haloarenes?

• Non-polar covalent bond

• Polar covalent bond

• Ionic bond

• Hydrogen bond

Which of the following is the main product when bromobenzene is heated with magnesium in dry ether?

• Phenyl magnesium bromide

• Benzene

• Phenol

• Benzyl bromide

What happens when haloarenes undergo electrophilic substitution?

• Substitution at ortho and para positions

• Substitution at meta position

• Elimination reaction

• Addition reaction