This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the main use of phenol in industry? A) Food preservative. B) Precursor for the production of plastics, resins, and pharmaceuticals. C) Fuel for combustion engines. D) Antibacterial agent in cleaning products. Show Answer Correct Answer: B) Precursor for the production of plastics, resins, and pharmaceuticals. 2. Answer true or false to the following question. Alcohols can be converted to haloalkanes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. The antidote for ethylene glycol poisoning is A) Ethyl alcohol. B) Egg white. C) Methyl alcohol. D) None of these. Show Answer Correct Answer: A) Ethyl alcohol. 4. IUPAC name of m-cresol is ..... A) 3-methylphenol. B) 3-chlorophenol. C) 3-methoxyphenol. D) Benzene-1, 3-diol. Show Answer Correct Answer: A) 3-methylphenol. 5. Bromine reacts with phenol and decolorize orange color and turns it to which of the colored precipitate? A) White precipitate. B) Pink precipitate. C) Blue precipitate. D) Black precipitate. Show Answer Correct Answer: A) White precipitate. 6. When wine is kept in air, it becomes sour due to A) Bacteria. B) Oxidation of C2H5OH to CH3COOH. C) Virus. D) Formic acid. Show Answer Correct Answer: B) Oxidation of C2H5OH to CH3COOH. 7. Name the electrophile used in conversion of phenol to salicylic acid. A) NaOH. B) CO2. C) H2SO4. D) H2O. Show Answer Correct Answer: B) CO2. 8. Ethanol is a natural byproduct of plant fermentation and also can be produced through the hydration of propylene A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. In Victor Meyer's test Pseudonitrol is given by A) Primary alcohol. B) Quaternary alcohol. C) Tertiary alcohol. D) Secondary Alcohol. Show Answer Correct Answer: D) Secondary Alcohol. 10. Primary alcohols can be oxidized to form: A) Aldehydes. B) Carboxylic acids. C) Ketones. D) None of the above. Show Answer Correct Answer: A) Aldehydes. 11. To convert toulene to benzaldehyde reaction used is A) Gattermann koch. B) Etard 's reaction. C) Rosen mund. D) Aldol. Show Answer Correct Answer: B) Etard 's reaction. 12. (9.7) Why can epoxides react more easily than ethers even if both have bad leaving groups A) Like, alcohols they can be treated with an acid. B) Because steric effects allow increase the leaving group ability of epoxides. C) Because they undergo addition reactions which do not require the leaving group to leave. D) Angle strain makes the oxygen open to nucleophilic attacks. Show Answer Correct Answer: D) Angle strain makes the oxygen open to nucleophilic attacks. 13. The strongest type of intermolecular force in alcohols is A) Van der Waals'. B) Covalent Bonding. C) Hydrogen Bonding. D) Organic. Show Answer Correct Answer: C) Hydrogen Bonding. 14. What is the IUPAC name for the halogenoalkane CH3CH2CH2Br? A) 1-bromopropane. B) 3-bromopropane. C) 2-bromopropane. D) 1-chloropropane. Show Answer Correct Answer: A) 1-bromopropane. 15. Which is the correct arrangement of compounds based on decreasing order of K$_{b }$value A) Methyl amine > ammonia > phenyl amine. B) Phenyl amine > ammonia > methyl amine. C) Ammonia > phenyl amine > methyl amine. D) None of the above. Show Answer Correct Answer: B) Phenyl amine > ammonia > methyl amine. 16. Assertion:Phenol gives a violet colouration with neutral ferric chlorideReason:Phenols show keto-enol isomerism and exist mostly in the enolic form A) If both Assertion and Reason are correct and Reason is the correct explanation of the Assertion. B) If both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion. C) If Assertion is correct but Reason is incorrect. D) If assertion is incorrect but Reason is correct. Show Answer Correct Answer: A) If both Assertion and Reason are correct and Reason is the correct explanation of the Assertion. 17. (9.15) Which of the two are more reactive A) Sulfides. B) Ethers. C) All the above. D) None of the above. Show Answer Correct Answer: A) Sulfides. 18. A:Bond angle in ethers is slightly less than the tetrahedral angle.R:There is a repulsion between the two bulky alkyl groups. A) Both A and R are correct and R is the correct explanation for A. B) Both A and R are correct but R is not the correct explanation for A. C) A is correct but R is wrong. D) A is wrong but R is correct. E) Both are wrong. Show Answer Correct Answer: D) A is wrong but R is correct. 19. The general formula for alcohol A) RAl. B) ROH. C) ROR. D) Alc. Show Answer Correct Answer: B) ROH. 20. Which compound of alcohols is highest boiling point? A) 1-butanol. B) 2-methyl-2-butanol. C) Hexanol. D) 1, 4-butanediol. Show Answer Correct Answer: D) 1, 4-butanediol. 21. (9.8) what are the steps of E1 dehydration1-proton removal, pi bond formation2-protonation of OH to HOH3-Heterolysis of C-O bond A) 1, 2, 3. B) 2, 3, 1. C) 3, 2, 1. D) 2, 1, 3. Show Answer Correct Answer: B) 2, 3, 1. 22. When Propan-1-ol is treated with P$_{4}$/I$_{2}$, AgNO$_{2}$ and HNO$_{2}$ successively, it gives A) Nitrolic acid. B) Pseudonitrol. C) Nitroalkane. D) Secondary Nitroalkane. Show Answer Correct Answer: A) Nitrolic acid. 23. In Sandmeyer reaction, what is the intermediate compound formed before adding cuprous halide? A) Alcohol halide. B) Diazonium halide. C) Aqueous halide. D) None of the mentioned. Show Answer Correct Answer: B) Diazonium halide. 24. From Williamson's synthesis preparation of which of the following is possible? (1) Only symmetrical ethers (2) Only asymmetrical ethers (3) Both (1) and (2) (4) None of the above A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 25. This alcohol is important in terms of body chemistry especially as a constituent of fats A) Methanol. B) Ethylene Glycol. C) Glycerol. D) Butanol. Show Answer Correct Answer: C) Glycerol. ← 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