This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When hydroxyl group is attached to a benzene ring, what class of compound will form? A) Alcohol. B) Phenol. C) Thiols. D) Ether. Show Answer Correct Answer: B) Phenol. 2. What is the name of the alcohol with 4 carbons? A) Ethanol. B) Butane. C) Butanol. D) Propanol. Show Answer Correct Answer: C) Butanol. 3. Which of the following will react with sulfuric acid to produce 1-butanol and ethanoic acid? A) Butyl ethanoate. B) Ethyl butanoate. C) None of these. D) Either of these. Show Answer Correct Answer: A) Butyl ethanoate. 4. Which of the following is true about manufacture of ethanol? A) Fermentation results in 100% pure ethanol. B) Hydration of ethene is a cyclic process. C) Fermentation involves aerobic conditions. D) Alkenes are reactive so they react with water to give ethanol at room temperature. Show Answer Correct Answer: B) Hydration of ethene is a cyclic process. 5. In alcohols, the-OH group is covalently bonded to a saturated hydrocarbon. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Addition reaction of Hydrogen Bromide to the unsymmetrical alkene follows ..... A) Anti markovnikov's rule. B) Markovnikov's rule. C) Kharash effect. D) Peroxide effect. Show Answer Correct Answer: B) Markovnikov's rule. 7. Glucose molecule reacts with 'X' number of molecules ofphenylhydrazine to yield osazone. The value of 'X' is A) Four. B) One. C) Two. D) Three. Show Answer Correct Answer: D) Three. 8. What is formed when you oxidise a tertiary alcohol A) Aldehyde. B) Ketone. C) Carboxylic Acid. D) Nothing. Show Answer Correct Answer: D) Nothing. 9. What color would a primary alcohol change when exposed to acidified potassium permanganate A) Green. B) Orange. C) I don't know we didn't learn that? Explosion?????. D) Clear / no reaction. Show Answer Correct Answer: C) I don't know we didn't learn that? Explosion?????. 10. Chemicals that contain a ketone functional group will end with ..... A) -al. B) -ol. C) -one. D) -oic acid. Show Answer Correct Answer: C) -one. 11. Answer true or false to the following question. A dehydration reaction of alcohols yields an epoxide as the product. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. Which class will have the highest boiling point and melting point for similarly sized molecules? A) Alkanes. B) Alkenes. C) Alcohols. D) Ethers. Show Answer Correct Answer: C) Alcohols. 13. Acetone with methylmagnesium bromide followed by hydrolysis yeild A) Propan-2-ol. B) 2-methylpropan-2-ol. C) Propan-1-ol. D) No reaction. Show Answer Correct Answer: B) 2-methylpropan-2-ol. 14. Isopropylbenzene is also known as- A) Cumene. B) Aniline. C) Butyl Benzene. D) None of the above. Show Answer Correct Answer: A) Cumene. 15. (9.6) What is the other method used in synthesizing ethers? A) Hammond method. B) Haber process. C) Williamson method. D) Calvin process. Show Answer Correct Answer: C) Williamson method. 16. Which of the following methods can be used to make alcohols?i. Electrophilic addition of water to an alkene in the presence of an acid catalystii. Boiling a haloalkane with aqueous sodium hydroxide under refluxiii. Passing carbon dioxide through a solution of a Grignard reagent A) I only. B) I and ii. C) Ii and iii. D) I, ii and iii. Show Answer Correct Answer: B) I and ii. 17. Phenol is a stronger acid than water and it is: A) Weakly acidic. B) Weakly basic. C) Alkali. D) Strong acid. Show Answer Correct Answer: A) Weakly acidic. 18. The strongest type of intermolecular force in alcohols is called: A) Van der Waals'. B) Covalent Bonding. C) Hydrogen Bonding. D) Organic. Show Answer Correct Answer: C) Hydrogen Bonding. 19. 2 R-OH + 2 Na $\rightarrow$ 2 RONa + H$_{2}$; is an example of A) Acidic nature of alcohol. B) Nucleophilic substitution reaction. C) Electrophilic substitution reaction. D) Basic nature of alcohol. Show Answer Correct Answer: A) Acidic nature of alcohol. 20. In which of the following OH group is attached with SP$^{2}$ C A) Phenol. B) Allyl alcohol. C) Benzyl alcohol. D) Propan-2-ol. Show Answer Correct Answer: A) Phenol. 21. (9.17-9.18) What becomes a carcinogen when inhaled and reacts in body A) Zileuton. B) Benzo[a]pyrene. C) All the above. D) None of the above. Show Answer Correct Answer: B) Benzo[a]pyrene. 22. Which is the correct functional group in alcohols? A) C=C. B) OH. C) COOH. D) They don't have a functional group. Show Answer Correct Answer: B) OH. 23. In which of the following OH is attached with SP$^{3}$ C A) Phenol. B) 0-cresol. C) M-cresol. D) Allyl alcohol. Show Answer Correct Answer: D) Allyl alcohol. 24. Phenol can be distinguished from ethanol by the following reagents except A) Sodium. B) NaOH/I$_{2}$. C) Neutral FeCl$_{3}$. D) Br$_{2}$/H$_{2}$O. Show Answer Correct Answer: A) Sodium. 25. Which of the following is highly soluble in water? A) Ethanol. B) Ethane. C) Ethyl iodide. D) Diethyl ether. Show Answer Correct Answer: A) Ethanol. ← 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