This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 11 Alcohols – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Aldehydes and Ketones can be prepared from A) Acid Chlorides. B) Nitriles. C) Both of them. D) None of the above. Show Answer Correct Answer: C) Both of them. 2. This alcohol is used as a permanent antifreeze A) Methanol. B) Propanol. C) Ethanol. D) Ethylene glycol. Show Answer Correct Answer: D) Ethylene glycol. 3. If ethanol is oxidised under reflux, the product will be: A) Ethanoic Acid. B) No Reaction. C) Ethanone. D) Ethanal. Show Answer Correct Answer: A) Ethanoic Acid. 4. When ethyl alcohol is oxidized by two degrees, which one of the following products results? A) Acetaldehyde. B) Oxy-propane. C) Acetic acid. D) Dimethyl ether. E) Dimethyl ketone. Show Answer Correct Answer: C) Acetic acid. 5. What is Lucas test done to differentiate between? A) Alcohols and phenols. B) Primary and secondary alcohols. C) Primary, secondary and tertiary alcohols. D) Secondary and tertiary alcohols. E) Alcohols and carboxylic acids. Show Answer Correct Answer: C) Primary, secondary and tertiary alcohols. 6. Ethanol is an isomer of A) Methoxymethane. B) Methylmethanoate. C) Methoxymethanoate. D) Ethanal. Show Answer Correct Answer: A) Methoxymethane. 7. What happens when phenol reacts with con. HNO$_{3}$ A) Picric acid is formed. B) O-nitro phenol is formed as major product. C) P-nitro phenol is formed as major product. D) No reaction occurs. Show Answer Correct Answer: A) Picric acid is formed. 8. What would be the reactant and reagent used to obtain 2, 4-dimenthyl pentan-3-ol?(a) Propanal and propyl magnesium bromide A) Propanal and propyl magnesium bromide. B) 3-methylbutanal and 2-methyl magnesium iodide. C) 2-dimethylpropanone and methyl magnesium odide. D) 2-methylpropanal and isopropyl magnesium iodide. Show Answer Correct Answer: D) 2-methylpropanal and isopropyl magnesium iodide. 9. What compound is useful to use in the dehydration of an alcohol A) Aluminium oxide. B) Phosphorous triiodide. C) Sulfur dichloride oxide. D) Calcium hydroxide. Show Answer Correct Answer: A) Aluminium oxide. 10. Which one of the following substances is used to identify aldehydes? A) [Ag(NH$_{3}$)$_{2}$]OH. B) FeCl$_{3}$. C) NaHCO$_{3}$. D) Br$_{2}$. E) KMnO$_{4}$. Show Answer Correct Answer: A) [Ag(NH$_{3}$)$_{2}$]OH. 11. What is the name of $CH_3CH_{ }\left(CH_3\right)CH_2OH$ A) Butan-1-ol. B) But-1-ol. C) 2-methylpropan-1-ol. D) 2-methylprop-2-ol. Show Answer Correct Answer: C) 2-methylpropan-1-ol. 12. A compound X with the molecular formula C2H8O can be oxidised to another compound Y whose molecular formulae is C3H6O2. The compound X may be A) CH3CH2OCH3. B) CH3CH2CHO. C) CH3CH2CH2OH. D) CH3CHOHCH3. Show Answer Correct Answer: C) CH3CH2CH2OH. 13. Methanol is metabolized in the body to formaldehyde and formic acid. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Which of the following compounds cannot be used to halogenate an alcohol. A) SOCl$_{2}$. B) HCl. C) PCl$_{5}$. D) Cl$_{2}$. Show Answer Correct Answer: D) Cl$_{2}$. 15. In which alkyl halide, SN2 mechanism is favoured maximum? (1) CH3Cl (2) CH3CH2Cl (3) (CH3 )2CHCl (4) (CH3 )3C-Cl A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 16. Name two reagents which should be used to prepared ethoxy benzene A) Sodium phenoxide and ethyl chloride. B) Sodium ethoxide and chlorobenzene. C) Ethanol with chlorobenzene. D) None. Show Answer Correct Answer: A) Sodium phenoxide and ethyl chloride. 17. Primary alcohols are oxidised to: A) Ketones. B) Carboxylic acids then aldehydes. C) Aldehydes then carboxylic acids. D) No reaction. Show Answer Correct Answer: C) Aldehydes then carboxylic acids. 18. Which of the following is not a primary amine? A) Diethylamine. B) 3-Hexylamine. C) Cyclohexylamine. D) 1-Butylamine. Show Answer Correct Answer: A) Diethylamine. 19. Answer true or false to the following questions. Alcohols have higher boiling points than ethers with the same molecular weight. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. We have 4 substituted phenols and 4 pKa values ..... phenol, m-nitrophenol, p-nitro phenol, o-cresolpKa-10.2, 7.1, 10.0, 8.3which molecule has the value 8.3? A) Phenol. B) P-nitro phenol. C) M-nitrophenol. D) O-cresol. Show Answer Correct Answer: C) M-nitrophenol. 21. (9.4) Which functional groups are capable of Hydrogen Bonding A) Alcohol. B) Ether. C) Epoxide. D) None of the above. Show Answer Correct Answer: A) Alcohol. 22. Spirit is a 95% solution of A) Methanol. B) Bezene. C) Acetone. D) Ethanol. Show Answer Correct Answer: D) Ethanol. 23. The increasing order of acidic strength of different types of alcohol and water is: A) Primary Alcohol < Secondary Alcohol < Tertiary Alcohol < Water. B) Water < Primary Alcohol < Secondary Alcohol < Tertiary Alcohol. C) Tertiary Alcohol < Secondary Alcohol < Primary Alcohol < Water. D) Water < Tertiary Alcohol < Secondary Alcohol < Primary Alcohol. Show Answer Correct Answer: C) Tertiary Alcohol < Secondary Alcohol < Primary Alcohol < Water. 24. Which of these is gem-dihalide:(1) CH3 .CHBr2 (2) CH2Br.CH2Br (3) CH3CHBr. CH2Br (4) None of these A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 25. Which of the following alcohols gives 2-butenc on dehydration byconc. H2SO4? A) 2-methyl propene-2-ol. B) 2-methyl 1-propanol. C) Butane-2-ol. D) Butane 1-ol. Show Answer Correct Answer: C) Butane-2-ol. ← 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