Quiz for Alcohols, Phenols and Ethers

Q1: Which reagent is used for the oxidation of primary alcohols to aldehydes?

A. PCC B. KMnO₄ C. HNO₃ D. H₂SO₄

Q2: Phenol reacts with bromine water to give?

A. 2,4,6-Tribromophenol B. Benzene C. Bromobenzene D. p-Bromophenol

Q3: Which alcohol undergoes dehydration most easily?

A. Tertiary alcohol B. Secondary alcohol C. Primary alcohol D. Methanol

Q4: Lucas reagent is used to distinguish between?

A. Primary, Secondary and Tertiary alcohols B. Aldehyde and Ketone C. Phenol and Alcohol D. Ester and Acid

Q5: Which of the following is the most acidic?

A. Phenol B. Cyclohexanol C. Ethanol D. Methanol

Q6: Ether on reaction with HI forms?

A. Alcohol and alkyl iodide B. Two alcohols C. Alkene and HI D. Only ether

Q7: Phenol can be distinguished from ethanol by using?

A. FeCl₃ B. Br₂ water C. KMnO₄ D. NaOH

Q8: Which compound gives iodoform test?

A. Ethanol B. Methanol C. Benzyl alcohol D. Phenol

Q9: Which reaction is used to prepare ether?

A. Williamson synthesis B. Cannizzaro reaction C. Aldol condensation D. Kolbe reaction

Q10: What happens when phenol reacts with NaOH?

A. Forms sodium phenoxide B. Forms benzene C. Forms phenyl alcohol D. Forms phenyl iodide

Q11: Ethanol can be converted to ethene by?

A. Concentrated H₂SO₄ and heat B. NaOH C. Dilute HCl D. KMnO₄

Q12: Which alcohol will react fastest with Lucas reagent?

A. tert-Butyl alcohol B. n-Butyl alcohol C. sec-Butyl alcohol D. Methanol

Q13: Ethers show which kind of isomerism?

A. Metamerism B. Chain isomerism C. Functional isomerism D. Position isomerism

Q14: Which of the following is a primary alcohol?

A. n-Propanol B. Isopropanol C. tert-Butanol D. Methanol

Q15: Which test is used to confirm the presence of phenol?

A. FeCl₃ test B. Tollen’s test C. Lucas test D. Baeyer’s test

Q16: What is the product of phenol and Na reaction?

A. Sodium phenoxide and H₂ B. Benzene and NaOH C. Phenyl iodide D. No reaction

Q17: Which of the following is least soluble in water?

A. Diethyl ether B. Methanol C. Ethanol D. Phenol

Q18: Which of the following increases the acidity of phenol?

A. NO₂ group B. CH₃ group C. OCH₃ group D. OH group

Q19: Which of these ethers is symmetrical?

A. Diethyl ether B. Methyl ethyl ether C. Benzyl methyl ether D. Phenyl ethyl ether

Q20: Which of the following compounds gives a fruity smell?

A. Ethyl acetate B. Methanol C. Phenol D. Acetic acid