Alcohols, Phenols and Ethers MCQs Mock Test of Class 12th Chemistry

Welcome to your Alcohols, Phenols and Ethers MCQs Mock Test of Class 12th Chemistry

1. 
Q.1. Ethylene reacts with Baeyer’s reagent to give

2. 
Q.2. Ethyl alcohol is industrially prepared from ethylene by

3. 
Q.3. Sodium salt of benzene sulphonic acid on fusion with caustic soda gives

4. 
Q.4. Alkenes convert into alcohols by

5. 
Q.5. Which of the following reacts with NaOH to give an alcohol?

6. 
Q.6. By which of the following methods alcohol can be prepared in excellent yield?

7. 
Q.7. Which of the following compounds is oxidised to prepare methyl ethyl ketone?

8. 
Q.8. HBr reacts fastest with

9. 
Q.9. n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?

10. 
Q.10. Lucas reagent is

11. 
Q.11. The compound which reacts fastest with Lucas reagent at room temperature is

12. 
Q.12. In the reduction R — CHO + H2 → RCH2OH the catalyst used is :

13. 
Q.13. Acid catalyzed hydration of alkenes except ethene leads to the formation of

14. 
Q.14. Ethyl alcohol can be prepared from Grignard reagent by the reaction of :

15. 
Q.15. Isopropyl alcohol is obtained by reacting which of the following alkenes with concentrated H2SO4 followed by boiling with H2O?

16. 
Q16. The product of acid catalysed hydration of 2-phenylpropene is

17. 
Question 17. Diethyl ether is obtained by the reaction of

18. 
Q18. Acid-cataylysed hydration of alkenes except ethene leads to the formation of

19. 
Q19. During dehydration of alcohols to alkenes by heating with cone. H2SO4 the initial step is

20. 
Q20. Among the following compounds, strongest acid is

21. 
Q21. 1-Propanol and 2-propanol can be best distinguished by

22. 
Q22. The compound which gives the most stable carbonium ion on dehydration is

23. 
Q23. In the following compounds: The order of acidity is

24. 
Q24. In CH3 CH2 OH, the bond that undergoes heterolytical change most readily is

25. 
Q25. Phenol reacts with Br2 in CS2 at low temperature to give

26. 
Q26. In the reaction of phenol with CHCl3 and aqueous NaOH at 343 K, the electrophile attacking the ring is:

27. 
Q27. Which of the following is most acidic?

28. 
Q28. The correct order of boiling points for primary (1°), Secondary (2°) and Tertiery (3°) alcohols is

29. 
Q29. When Phenol is distilled with zinc dust, it gives

30. 
Q30. In the following reaction

31. 
Q31. Which of the following cannot be made by using Williamson Synthesis:

32. 
Q32. The I.U.P.A.C. name of the ether CH2 = CH-CH2O CH3 is

33. 
Q33. Dehydration of alcohol to ethers is catalysed by

34. 
Q34 Ethers are

35. 
Q35. tert-Butyl methyl ether on heating with HI gives a mixture of

36. 
Q 36. Diethyl ether is obtained by the reaction of

37. 
Q37. An ether is more volatile than alcohol having the same molecular formula. This is due to

38. 
Q 38. Tert-butyl methyl ether on heating with HI gives a mixture of

39. 
Q39 Strength of acidity is in order:

40. 
Q40. Cyclohexene is best prepared from cyclohexanol by which of the following:

41. 
Q41. Among the following, the one which reacts most readily with ethanol is

42. 
Question 42. Among the given compounds, one which can be distinguished by AgN03 is

43. 
Question 42. Among the given compounds, one which can be distinguished by AgN03 is

44. 
Q44. Acetone reacts with Grignard reagent to form

45. 
Q45. The reaction is called

46. 
Q46. The order of stability of the following tautomeric compounds is

47. 
Q47. On shaking H2O2 with acidified potassium dichromate and ether, etheral layer becomes

48. 
Q48. Dunston’s test is used for identification of

49. 
Q49. Etherates are

50. 
Q50. Dehydration of alcohol is an example of which type of reaction?

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