This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which process does not occur during the formation of CHCl3 from ethanol and bleaching powder? A) Hydrolysis. B) Oxidation. C) Elimination. D) Chlorination. Show Answer Correct Answer: C) Elimination. 2. What will propanol, C$_{3}$H$_{7}$OH, form on complete oxidation? A) CH$_{3}$CO$_{2}$H. B) C$_{2}$H$_{5}$CO$_{2}$H. C) C$_{3}$H$_{7}$CO$_{2}$H. D) C$_{4}$H$_{9}$CO$_{2}$H. Show Answer Correct Answer: B) C$_{2}$H$_{5}$CO$_{2}$H. 3. What acts as the nucleophile in the reaction between chloroethane and warm aqueous sodium hydroxide? A) Hydroxide ion (OH-). B) Sodium ion (Na+). C) Water molecule (H2O). D) Chloroethane molecule (C2H5Cl). Show Answer Correct Answer: A) Hydroxide ion (OH-). 4. Phenol when treated with excess of bromine water gives a white precipitate of A) 2, 4, 6-tribromophenol. B) O-bromophenol. C) P-bromophenol. D) Bromobenzene. Show Answer Correct Answer: A) 2, 4, 6-tribromophenol. 5. In the reaction of phenol with sodium hydroxide, what does phenol behave as? A) Lewis acid. B) Bronsted base. C) Arrhenius base. D) Bronsted acid. E) Lewis base. Show Answer Correct Answer: D) Bronsted acid. 6. (9.13) From an alcohol to alkyl tosylate to substitution product, when is there an inversion at the stereogenic center A) From alcohol to alkyl tosylate. B) From alkyl tosylate to substitution product. C) Both. D) Neither. Show Answer Correct Answer: B) From alkyl tosylate to substitution product. 7. Williamson's synthesis gives best results when sodium alkoxide reacts with ..... A) Primary alkyl halides. B) Tertiary alkyl halide. C) Primary alcohol. D) Tertiary alcohol. Show Answer Correct Answer: A) Primary alkyl halides. 8. A reacts with oxygen gas followed by hydrolysis in acid medium products are phenol and acetone. which statement is not correct A) A is isopropyl benzene. B) A is cumene. C) A may be any alkyl benzene. D) Intermediate formed is a peroxide. Show Answer Correct Answer: C) A may be any alkyl benzene. 9. One mole of ethyl acetate on tatment with an excess of LiAlH4 in dry ether and subsequent acidification produces A) 1 mole acetic acid + 1 mole ethyl alcohol. B) 1 mole ethyl alcohol + 1 mole methyl alcohol. C) 2 moles of ethyl alcohol. D) 1 mole of 2-butanol. Show Answer Correct Answer: C) 2 moles of ethyl alcohol. 10. CH$_{3}$CH$_{2}$OH is the formula of which alcohol? A) Methanol. B) Ethanol. C) Propanol. D) Butanol. Show Answer Correct Answer: B) Ethanol. 11. Which one of the following compounds is NOT an isomer of the others? A) 1-Butanol. B) Methyl-propyl ether. C) Diethyl ether. D) Isopropanol. Show Answer Correct Answer: D) Isopropanol. 12. The test to distinguish between phenol and benzoic acid is A) Feeling solution test. B) Tollen's reagent test. C) Ferric chloride test. D) Iodoform test. Show Answer Correct Answer: C) Ferric chloride test. 13. Why alcohols is higher boiling point than alkanes? A) Because can form Van der Waal's forces between molecules. B) Because can form hydrogen bond forces between molecules. C) Because can form dimer structures between molecules. D) Because can form covalent bond between molecules. Show Answer Correct Answer: B) Because can form hydrogen bond forces between molecules. 14. Which alcohol is most soluble in water? A) Propan-1-ol. B) Pentan-2-ol. C) Isobutyl alcohol. D) Tert-butyl alcohol. Show Answer Correct Answer: A) Propan-1-ol. 15. What is the general formula for alcohol functional groups? A) CnH2nOH. B) CnH2n+2OH. C) CnH2n+1OH. D) CnH2n-1OH. Show Answer Correct Answer: C) CnH2n+1OH. 16. Which of the following compounds will react with sodium hydroxide solution in water? A) C6H5OH. B) C6H5CH2OH. C) (CH3)3COH. D) C2H5OH. Show Answer Correct Answer: A) C6H5OH. 17. Which one of the following does not belong to the same homologous series as methanol? A) C$_{2}$H$_{5}$OH. B) C$_{4}$H$_{7}$OH. C) C$_{5}$H$_{11}$OH. D) C$_{7}$H$_{15}$OH. Show Answer Correct Answer: B) C$_{4}$H$_{7}$OH. 18. Conversion of Salicylic acid to Aspirin is an example of ..... A) Rearrangement reaction. B) Esterification reaction. C) Dehydration reaction. D) Alkylation reaction. Show Answer Correct Answer: B) Esterification reaction. 19. Why alcohols have higher boiling point than alkanes? A) Alcohols have Van der Waal's forces between the molecules. B) Alcohols have intermolecular Hydrogern bonding. C) Alcohols exist as dimers. D) Alcohols have intramolecular Hydrogen bonding. Show Answer Correct Answer: B) Alcohols have intermolecular Hydrogern bonding. 20. Which of the following, when added to 2-methylbutanoic acid, would produce bubbles? A) Mg and NaOH. B) NaOH and Na$_{2}$CO$_{3}$. C) Mg only. D) Mg & Na$_{2}$CO$_{3}$. Show Answer Correct Answer: D) Mg & Na$_{2}$CO$_{3}$. 21. PCC is specific reagent for A) Oxidation of primary alcohol into aldehyde. B) Oxidation of secondary alcohol into ketone. C) Oxidation of primary alcohol into acid. D) Oxidation of secondary alcohol into acid. Show Answer Correct Answer: A) Oxidation of primary alcohol into aldehyde. 22. 3 moles of ethanol react with one mole of phosphorus tribromide to form 3 moles of ethyl bromide and one mole of X. What is X? A) Phosphorous acid. B) Phosphoric acid. C) Hypophosphorous acid. D) Metaphosphoric acid. E) Peroxymonophosphoric acid. Show Answer Correct Answer: A) Phosphorous acid. 23. The major product when phenol is treated with PCl$_{5}$ A) Chlorobenzene. B) Triphenylphosphate. C) O-chlorophenol. D) P-chlorophenol. Show Answer Correct Answer: B) Triphenylphosphate. 24. Select the true statement about phenol in water. A) Phenol is more soluble than alcohols and partially dissociates. B) Phenol is less soluble than alcohols and partially dissociates. C) Phenol is more soluble than alcohols and fully dissociates. D) Phenol is less soluble than alcohols and fully dissociates. Show Answer Correct Answer: B) Phenol is less soluble than alcohols and partially dissociates. 25. Phenol can be converted to nitrobenezene by treating Phenol with A) Nitration mixture. B) Nitro compound. C) From both the above. D) Cannot be prepared from the above. Show Answer Correct Answer: A) Nitration mixture. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 1Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 2Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 3Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 4Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 5Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 6Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 7Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 8Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 9Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books