This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following compound is commonly used as cationic surfactant in fabric softening A) Quaternary ammonium salt. B) Tertiary amine. C) Primary amine. D) Amide. Show Answer Correct Answer: A) Quaternary ammonium salt. 2. Acidified potassium dichromate will turn: A) Blue-brick red. B) Brick red-blue. C) Orange-green. D) Green-orange. Show Answer Correct Answer: C) Orange-green. 3. Which statement is true about ethanol? A) It is an unsaturated compound. B) It is formed by the oxidation of ethanoic acid. C) It reacts with ethyl ethanoate to form anacid. D) It is formed by the catalytic addition of steam to ethene. Show Answer Correct Answer: D) It is formed by the catalytic addition of steam to ethene. 4. The simplest cyclic alcohol A) Resorcinol. B) Phenol. C) Cyclohexanol. D) Cyclopentanol. Show Answer Correct Answer: B) Phenol. 5. The solubility of alcohols in water is governed by- A) Their ability to form hydrogen bonds with water. B) The size of alkyl groups. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 6. Vinegar is represented as A) CH3COOH. B) CH3CH2COOH. C) HCOOH. D) CH3CH2CH2COOH. Show Answer Correct Answer: A) CH3COOH. 7. General formula of carboxylic acids is: A) C$_{n}$H$_{2n+1}$OH. B) C$_{n}$H$_{2n}$COOH. C) C$_{n}$H$_{2n+1}$COOH. D) C$_{n}$H$_{2n+2}$COOH. Show Answer Correct Answer: C) C$_{n}$H$_{2n+1}$COOH. 8. Which of the following reactions do not involve the oxidation of ethanol? A) Production of ethanol from fermentation of glucose. B) Heating ethanol with Potassium (vi) dichromate in dilute sulphuric acid. C) The reaction of ethanol with Oxygen in the air. D) Formation of carbon dioxide and water from the complete combustion of ethanol. Show Answer Correct Answer: A) Production of ethanol from fermentation of glucose. 9. Ethanol is treated with I$_{2}$ and Phosphorus to give a compound A. A is treated with Magnesium in ether to give B. B is treated with Methanal to give C. C is treated with water to give D. What is D? A) Butanal. B) Butanol. C) N-butyl alcohol. D) N-propyl alcohol. E) Propanol. Show Answer Correct Answer: D) N-propyl alcohol. 10. What is formed in situ when NaBr and H$_{2}$SO$_{4}$ react with an alcohol A) Na$_{2}$SO$_{4}$. B) HBr. C) BrSO$_{4}$. D) None of the above. Show Answer Correct Answer: B) HBr. 11. IUPAC name of the compound is ..... A) 1-methoxy-1-methylethane. B) 2-methoxy-2-methylethane. C) 2-methoxypropane. D) Isopropylmethyl ether. Show Answer Correct Answer: A) 1-methoxy-1-methylethane. 12. When the mixture of ethanol and reagent X is heated under reflux, chloroethane if formed. Which of the following reagent could be reagent X?i. PCl$_{3}$ii. Cl$_{2}$iii. KCl A) I only. B) I and ii. C) Ii and iii. D) I, ii and iii. Show Answer Correct Answer: A) I only. 13. What happens when tertiary alcohol is treated with Cu and 573K ..... ? A) Aldehyde. B) Ketone. C) Carboxylic acid. D) Ethene. Show Answer Correct Answer: D) Ethene. 14. Which of the following is a functional group isomer of propanol A) Propan-2-ol. B) Methoxy ethane. C) Propanal. D) Propanone. Show Answer Correct Answer: B) Methoxy ethane. 15. What is the product obtained when phenylmethyl ether is heated with hydrogen iodide? A) Benzene. B) Phenol. C) Iodobenzene. D) Chloroethane. E) Ethanol. Show Answer Correct Answer: B) Phenol. 16. The class of compounds containing C=O are called A) Aldehydes. B) Ketones. C) Carbonyl Compounds. D) None of the Above. Show Answer Correct Answer: C) Carbonyl Compounds. 17. Phenol on treatment with diethyl sulphate in the presence of sodium hydroxide gives what? A) Anisole. B) Diphenyl ether. C) Diethyl ether. D) Phenate. Show Answer Correct Answer: A) Anisole. 18. (9.16) Nucleophilic attack occurs on the less substituted Carbon, what are the reactants A) Acid. B) Nucleophile. C) Both. D) None. Show Answer Correct Answer: C) Both. 19. Name two products formed when 2-methoxy 2-methylpropane is reacted with HI A) T-butanol and ethyl iodide. B) T-butanol and methanol. C) T-butanol and methyl iodide. D) T-butyl iodide and methanol. Show Answer Correct Answer: D) T-butyl iodide and methanol. 20. Which of the following compound will have only primary and secondary carbon A) Propane. B) 2, 2, 3-trimethylpentane. C) 2-methylpropane. D) None of the above. Show Answer Correct Answer: A) Propane. 21. Potassium dichromate K$_{2}$Cr$_{2}$O$_{7}$ is an example of: A) A reducing agent. B) An oxidising agent. C) An addition reagent. D) An elimination reagent. Show Answer Correct Answer: B) An oxidising agent. 22. Answer true or false to the following statement. Ethers are used as solvents and in medicine as inhalation anesthetics. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Methyl alcohol is not used A) As a solvent. B) Antifreezing agent. C) As a substitute for petrol. D) For denaturing of ethyl alcohol. Show Answer Correct Answer: C) As a substitute for petrol. 24. Explain the significance of the ether functional group in organic chemistry. A) Ethers are primarily used as catalysts in chemical reactions. B) Ethers are significant for their strong hydrogen bonding capabilities. C) Ethers are important for their stability, low reactivity, and use as solvents in organic reactions. D) Ethers are highly reactive and unstable compounds in organic chemistry. Show Answer Correct Answer: C) Ethers are important for their stability, low reactivity, and use as solvents in organic reactions. 25. What chemical is used to test for phenols? A) Iron (III) chloride. B) Iron (II) chloride. C) Iron chloride. D) Phenoxide. Show Answer Correct Answer: A) Iron (III) chloride. ← 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 10Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books