This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Review from Module 5:What is the prefix used when referring to ring structures? A) Pyro-. B) Aro-. C) Cyclo-. D) None of the above. Show Answer Correct Answer: C) Cyclo-. 2. In Victor Meyer's test, Blood red coloration is given by A) Primary alcohol. B) Secondary Alcohol. C) Tertiary alcohol. D) Quaternary alcohol. Show Answer Correct Answer: A) Primary alcohol. 3. Ethanol can be converted to Ethanal by A) Catalytic hydrogenation. B) Treatment with LiAlH4. C) Treatment with PCC. D) Treatment with KMnO4. Show Answer Correct Answer: C) Treatment with PCC. 4. Dehydration of an alcohol gives A) An aldehyde. B) An alkane. C) An alkene. D) A ketone. Show Answer Correct Answer: C) An alkene. 5. Acidity of alcohols is determined by ..... A) Alkyl group. B) O-H bond polarity. C) No of C atoms. D) Electronegativity. Show Answer Correct Answer: B) O-H bond polarity. 6. Answer true or false to the following question. In naming alcohols, "alkyl alcohol" is the IUPAC form of the name, while "alkanol" is the common form of the name. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. What is the correct IUPAC name of isopropyl alcohol? A) Propane-1, 2-diol. B) Propan-2-ol. C) Propan-1-ol. D) Propane-1, 2, 3-triol. Show Answer Correct Answer: B) Propan-2-ol. 8. When phenol is treated with excess of bromine water, it gives which of the following product? A) M-bromophenol. B) O-and p-bromophenol. C) 2, 4-dibromophenol. D) 2, 4, 6-tribromophenol. Show Answer Correct Answer: D) 2, 4, 6-tribromophenol. 9. During the dehydration of alcohols to alkenes, what is the first step? A) Formation of carbocation. B) Formation of ester. C) Protonation of carbocation. D) Elimination of water. E) Protonation of alcohol. Show Answer Correct Answer: E) Protonation of alcohol. 10. Assertion:With HI, anisole gives iodobenzene and methylalcohol.Reason:Iodide ion combines with smaller group to avoidsteric hindrance. A) Assertion is correct, reason is correct; reason is a correctexplanation for assertion. B) Assertion is correct, reason is correct; reason is not acorrect explanation for assertion. C) Assertion is correct, reason is incorrect. D) Assertion is incorrect, reason is correct. Show Answer Correct Answer: D) Assertion is incorrect, reason is correct. 11. Which of the following has highest value of pKa A) Phenol. B) Ethanol. C) O-Nitrophenol. D) O-Cresol. Show Answer Correct Answer: D) O-Cresol. 12. Were used as a general anesthetic in the past. A) Organic Halides. B) Aldehydes. C) Ketones. D) Ethers. Show Answer Correct Answer: D) Ethers. 13. What is the common name for the alcohol CH3CH2OH? A) Ethanol. B) Butanol. C) Propanol. D) Methanol. Show Answer Correct Answer: A) Ethanol. 14. The higher boiling points of alcohols are due to the existence of ..... between their molecules. A) Oxygen bonding. B) Lonepair-shared pair bonding. C) Hydrogen bonding. D) P-p interaction. Show Answer Correct Answer: C) Hydrogen bonding. 15. What type of organic product is produced in the reaction between alcohols and hydrogen halides? A) Halogenoalkanes. B) Carboxylic acids. C) Esters. D) Amines. Show Answer Correct Answer: A) Halogenoalkanes. 16. Primary, Secondary and Tertiary alcohols can be distinguished by A) Tollen's test. B) Iodoform test. C) Hoffmann's test. D) Victor Meyer's test. Show Answer Correct Answer: D) Victor Meyer's test. 17. Select the product formed when Propanone is treated with methyl magnesium bromide A) Butan-1-ol. B) Propan-2-ol. C) 2-Methyl propan-2-ol. D) Propanoic acid. Show Answer Correct Answer: C) 2-Methyl propan-2-ol. 18. The order of ease of dehydration of primary, secondary and tertiary alcohols is ..... A) 3$^{0}$ <$^{ }$2$^{0 }$<$^{ }$1$^{0}$. B) 2$^{0 }$<$^{ }$1$^{0 }$< 3$^{0}$. C) 3$^{0}$ >$^{ }$2$^{0 }$>$^{ }$1$^{0}$. D) 2$^{0 }$< 3$^{0}$ <$^{ }$1$^{0 }$. Show Answer Correct Answer: C) 3$^{0}$ >$^{ }$2$^{0 }$>$^{ }$1$^{0}$. 19. For preparing primary alcohols Grignard reagent must be reacted with ..... A) Formaldehyde. B) Any aldehyde. C) Ketone. D) None of the above. Show Answer Correct Answer: A) Formaldehyde. 20. Answer true or false to the following statement. Ethers are weakly polar compounds. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. (9.11) ..... alcohols with HCl require a lewis acid and ..... catalyst A) Secondary, NaCl. B) Tertiary, ZnCl2. C) Primary, NaCl. D) Primary, ZnCl2. Show Answer Correct Answer: D) Primary, ZnCl2. 22. The major product of dehydration of alcohols will be: A) Alkyl hydrogen sulphate. B) More highly substituted alkene. C) Less substituted alkene. D) Can't say. Show Answer Correct Answer: B) More highly substituted alkene. 23. Also known as the wood alcohol A) Ethyl alcohol. B) Isopropyl alcohol. C) Methanol. D) Glycerol. Show Answer Correct Answer: C) Methanol. 24. Which of the following will not undergo aldol condensation A) Acetaldehyde. B) Propanaldehyde. C) Benzaldehyde. D) Trideuteroacetaldehyde. Show Answer Correct Answer: C) Benzaldehyde. 25. What is true about carboxylic acids? A) Carboxylic acids are strong acids. B) Carboxylic acids can react with metals. C) Alkanes oxidize to form carboxylic acids. D) Carboxylic acids cannot form hydrogen bonds. Show Answer Correct Answer: B) Carboxylic acids can react with metals. ← 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 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 10Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books