This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Acetophenone is prepared from A) Friedel craft reaction. B) Rosenmund reaction. C) Sandmayer reaction. D) Wurtz reaction. Show Answer Correct Answer: A) Friedel craft reaction. 2. Give IUPAC name of the compound given below. A) 2-Chloro-5-hydroxyhexane. B) 2-Hydroxy-5-chlorohexane. C) 5-Chlorohexan-2-ol. D) 2-Chlorohexan-5-ol. Show Answer Correct Answer: C) 5-Chlorohexan-2-ol. 3. To convert phenol into p bromo phenol what reagent should be used? A) Bromine water. B) Bromine with FeBr$_{3}$. C) Bromine in CS$_{2}$. D) HBr. Show Answer Correct Answer: C) Bromine in CS$_{2}$. 4. When halogenation takes place 'in situ', which of the following is/are added to the reaction flask, in addition to the alcohol? A) A hydrogen halide. B) Sulfuric acid and an alkali metal halide, such as NaBr. C) An alkali metal halide such as NaBr. D) Sulfuric acid, NaCl AND HBr. Show Answer Correct Answer: B) Sulfuric acid and an alkali metal halide, such as NaBr. 5. Vinegar tastes sour because of A) Ethanoic acid. B) Ethanol. C) Butanoic acid. D) Ethyl ethanoate. Show Answer Correct Answer: A) Ethanoic acid. 6. These physical and chemical properties of phenols are mainly due to the presence of the aryl group. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Which of the following is most acidic in nature? A) $C_2H_5OH$. B) $CH_3OH$. C) $\left(CH_3\right)_2CHOH$. D) $\left(CH_3\right)_3COH$. Show Answer Correct Answer: B) $CH_3OH$. 8. In alcohols, what happens to the water solubility when the number of carbons are increased? A) Increase. B) Decrease. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decrease. 9. Among water, alcohol, phenol which is least acidic? A) Water. B) Alcohol. C) Phenol. D) Can't be compared. Show Answer Correct Answer: B) Alcohol. 10. (9.7) What is done to alcohols to allow them to undergo substitution and elimination? A) They are oxidized. B) They are reduced. C) Treated with an acid. D) Treated with a base. Show Answer Correct Answer: C) Treated with an acid. 11. Which of the following statements is NOT TRUE of ethanol? A) It is a primary alcohol. B) It is used as a fuel. C) It forms carboxylic acid when reduced. D) It forms misty fumes with PCl5. Show Answer Correct Answer: C) It forms carboxylic acid when reduced. 12. Which of the following set of reactants is appropriate for the preparation of t-butyl ethyl ether? A) T-butyl chloride and Sodium ethoxide. B) Sodium tertiary butoxide and Ethyl chloride. C) Ethyl chloride and Butyl alcohol. D) Butyl chloride and Ethyl alcohol. Show Answer Correct Answer: B) Sodium tertiary butoxide and Ethyl chloride. 13. Dehydration of alcohol is an example of A) Redox reaction. B) Elimination reaction. C) Substitution reaction. D) Addition reaction. Show Answer Correct Answer: B) Elimination reaction. 14. What is the IUPAC name for the product of the reaction between 2-methylbutane-1, 3-diol and excess hydrogen bromide? A) 2-methyl-2-bromobutane. B) 1, 3-dibromo-2-methylbutane. C) 1, 3-dibromomethylbutane. D) 2-bromo-2-methylbutane. Show Answer Correct Answer: B) 1, 3-dibromo-2-methylbutane. 15. How many primary alcohols are possible for molecular formula C$_{4}$H$_{10}$O? A) 2-1. B) 1+1. C) 2+1. D) 4+0. Show Answer Correct Answer: B) 1+1. 16. Choose the correct order of acidic strength. A) O-nitrophenol < o-cresol < phenol. B) O-cresol < o-nitrophenol< phenol. C) O-cresol < phenol < o-nitrophenol. D) O-nitrophenol< phenolo < cresol. Show Answer Correct Answer: C) O-cresol < phenol < o-nitrophenol. 17. Which out of these reagent provides product with syn stereochemistry during the hydroxylation of alkenes? A) Cold alkaline potassium permanganate solution. B) Osmium tetroxide + Sodiumbisulphite. C) Both. D) None. Show Answer Correct Answer: C) Both. 18. Which of the following compound is most acidic A) Methanol. B) Ethanol. C) 2-Chloro ethanol. D) 2, 2-Dichloro ethanol. Show Answer Correct Answer: D) 2, 2-Dichloro ethanol. 19. (9.1) What do alcohols, ethers and epoxides have in common A) Presence of alkyl halide. B) Presence of pi bonds. C) Sp hybridized C in functional group. D) C-O sigma bonds. Show Answer Correct Answer: D) C-O sigma bonds. 20. Compound A gives B by reaction with oxygen gas.B gives C and D on hydrolysis in presence of acid ..... D is an important carbonyl compound ..... which of the following statement is not correct about this reaction. A) A is isopropyl benzene. B) B is cumene hydroperoxide. C) C is phenol. D) D is ethanal. Show Answer Correct Answer: D) D is ethanal. 21. Which one among the following is a strongest base A) Methyl amine. B) Ammonia. C) Phenyl amine. D) None of the above. Show Answer Correct Answer: A) Methyl amine. 22. What reagent adds a halogen (X) in the Anti-Markovnikov position? A) HX. B) X2. C) X2 + H2O. D) HX + ROOR. Show Answer Correct Answer: D) HX + ROOR. 23. (9.14) How are ethers converted to allow them to react in substitution or elimination reactions? A) Reaction w/ 2 H-X to convert it to 2 R-X and H2O. B) Reaction w/ H-X to convert it to R-OH and X-. C) Reaction w/ H-X to convert it to R-OHX good leaving group. D) Depends on the identity of the ether. Show Answer Correct Answer: A) Reaction w/ 2 H-X to convert it to 2 R-X and H2O. 24. What is the colour change seen in the oxidation of alcohols A) Green to orange. B) Blue to orange. C) Orange to green. D) Green to blue. Show Answer Correct Answer: C) Orange to green. 25. Choose the name reaction that produces benzaldehyde from Toluene and Chromyl chloride. A) Aldol condensation. B) Gattermann Koch reaction. C) Etard reaction. D) Clemmensen reduction. Show Answer Correct Answer: C) Etard reaction. ← 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