This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The concentration of alcohol in alcoholic beverages is expressed as A) Percentage. B) Proof. C) Volume. D) Grams. Show Answer Correct Answer: B) Proof. 2. What is the molecular formula of Benzene? A) C$_{6}$H$_{12}$. B) C$_{6}$H$_{6}$. C) C$_{6}$H$_{10}$. D) C$_{8}$H$_{8}$. Show Answer Correct Answer: B) C$_{6}$H$_{6}$. 3. Answer true or false to the following question. PCC will oxidize a secondary alcohol to a ketone. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. When phenol is treated with excess of bromine water, it gives a white precipitate of ..... 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. 5. A weak acid is one which ..... A) Partially dissociates. B) Completely ionizes. C) Totally dissolves. D) Has a higher pH. Show Answer Correct Answer: A) Partially dissociates. 6. Which functional group is present in phenol? A) Hydroxyl group. B) Sulfhydryl group. C) Amino group. D) Carboxyl group. Show Answer Correct Answer: A) Hydroxyl group. 7. What gas is produced when potassium carbonate reacts with ethanoic acid? A) Hydrogen. B) Carbon dioxide. C) Oxygen. D) Chlorine. Show Answer Correct Answer: B) Carbon dioxide. 8. What is the reaction condition in the conversion of phenol to ortho & para bromo phenol?? A) Br2 + water at 453 K. B) Br 2 + CHCl3 at 278 K. C) Br2 + Cs2 at 273K. D) Br2 at 273 K. Show Answer Correct Answer: C) Br2 + Cs2 at 273K. 9. What type of reaction can a halogenoalkane undergo to form an alcohol? A) Nucleophilic Addition. B) Nucleophilic Substitution. C) Reduction. D) Oxidation. Show Answer Correct Answer: B) Nucleophilic Substitution. 10. What functional group is-HC=O A) Carbonyl Aldehyde. B) Carbonyl Ketone. C) Carboxyl. D) Methyl. Show Answer Correct Answer: A) Carbonyl Aldehyde. 11. Chlorine reacts with ethanol to give ..... A) Diethyl chloride. B) Chloroform. C) Acetaldehyde. D) Chloral. Show Answer Correct Answer: D) Chloral. 12. Is 3-methylbutan-2-ol a primary, secondary or tertiary alcohol? A) Primary. B) Secondary. C) Tertiary. D) None of these. Show Answer Correct Answer: B) Secondary. 13. What are needed to synthesize Ether? A) Ketone + NaBH4 + H+. B) Aldehyde + Grignard reagent. C) Alcohol + Strong Base + 1 Alkyl Halide. D) Alkene + MCPBA. Show Answer Correct Answer: C) Alcohol + Strong Base + 1 Alkyl Halide. 14. Why is ethanol more soluble in water than propanol? A) Because can form more hydrogen bond with water molecules. B) Because can form dimer structure. C) Because less hydrophobic areas. D) Because more hydrophilic areas. Show Answer Correct Answer: C) Because less hydrophobic areas. 15. Answer true or false to the following question. (CH$_{3}$CH$_{2}$)$_{2}$CHOH is classified as a 3$^\circ$ alcohol. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. IUPAC name of m-cresol is what? A) 3-methylphenol. B) Benzene-1, 3-diol. C) 2-methylphenol. D) 2-methoxyphenol. Show Answer Correct Answer: C) 2-methylphenol. 17. Which one of the following is the reagent used to identifyglucose? A) Neutral ferric chloride. B) Chloroform and alcoholic KOH. C) Ammoniacal silver nitrate. D) Sodium ethoxide. Show Answer Correct Answer: C) Ammoniacal silver nitrate. 18. What carbonyl reaction forms a hemiacetal? A) Carbonyl + H2O. B) Carbonyl + alcohol. C) Carbonyl + KCN, H+. D) Carbonyl + Acid. Show Answer Correct Answer: B) Carbonyl + alcohol. 19. (9.8) What type of alcohols undergo E2 dehydration A) Diols, triols etc. B) Primary. C) Secondary. D) Tertiary. Show Answer Correct Answer: B) Primary. 20. Phenols undergo A) SN1 reaction. B) SN2 reaction. C) Electrophilic Aromatic Substitution. D) None of the above. Show Answer Correct Answer: C) Electrophilic Aromatic Substitution. 21. The simplest alcohol is ethanol.This alcohol is poisonous and should never be used internally or externally. A) 1st statement is correct. B) 2nd statement is correct. C) Both statements are correct. D) None of the statements are correct. Show Answer Correct Answer: D) None of the statements are correct. 22. Alcohols are isomeric with A) Carboxylic acids. B) Aldehydes. C) Ketones. D) Ethers. Show Answer Correct Answer: D) Ethers. 23. What carbonyl reaction forms an acetal? A) Carbonyl + H2O. B) Carbonyl + alcohol. C) Carbonyl + Grignard reagent. D) Carbonyl + acid. Show Answer Correct Answer: D) Carbonyl + acid. 24. Picricacid is a yellow coloured compound. Its chemical name is A) M-nitrobenzoic acid. B) 2, 4, 6-trinitropheriol. C) 2, 4, 6-tribromophenol. D) P-nitrophenol. Show Answer Correct Answer: B) 2, 4, 6-trinitropheriol. 25. The type of alcohol present in alcoholic beverages is called: A) Fermentation. B) Detoxification. C) Ethanol. D) Vodka. Show Answer Correct Answer: C) 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