Quiz for Aromatic compounds

Q1: Which of the following compounds is aromatic?

A. Cyclohexane B. Benzene C. Hexane D. Butene

Q2: Huckel’s rule for aromaticity requires how many π electrons?

A. 2 B. 4 C. 6 D. 8

Q3: Which of the following is not an aromatic compound?

A. Naphthalene B. Anthracene C. Cyclopentadiene D. Phenol

Q4: Electrophilic substitution in benzene involves which intermediate?

A. Free radical B. Carbanion C. Carbocation D. Benzyne

Q5: Which group is an ortho-para director in aromatic substitution?

A. NO₂ B. CH₃ C. COOH D. CN

Q6: Which compound undergoes nitration more easily?

A. Benzene B. Nitrobenzene C. Toluene D. Benzoic acid

Q7: Friedel-Crafts reaction requires:

A. Lewis acid B. Base C. Acidic salt D. Alkali

Q8: Which reaction converts benzene to nitrobenzene?

A. Sulfonation B. Nitration C. Halogenation D. Friedel-Crafts alkylation

Q9: Which of the following is a polycyclic aromatic hydrocarbon?

A. Methane B. Ethene C. Naphthalene D. Butene

Q10: Aromatic compounds are characterized by:

A. High reactivity B. Instability C. Delocalized π electrons D. Lack of resonance