Alcohols, Phenols, and Ethers Class 12 MCQs Questions with Answers

1. Which of the following reagents cannot be used to distinguish between phenol and benzyl alcohol?

2. Ethylene reacts with Baeyer’s reagent to give:

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

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

5. Dehydration of alcohol is an example of:

6. Phenols are more acidic than alcohols because:

7. Catalytic Dehydrogenation of Primary Alcohol gives a___

8. Phenol reacts with Br2 in CS2 at low temperature to give:

9. Among the following sets of reactants which one produces anisole?

10. HBr reacts fastest with:

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

12. Benzenediazonium chloride on reaction with phenol in weakly basic medium gives:

13. Wood spirit is known as acetone:

14. Which of the Following is Formed when Glycerol is heated with Oxalic Acid at 503K?

15. Which compound is predominantly formed when phenol is allowed to react with bromine in aqueous medium?

16. Acid-cataylysed hydration of alkenes except ethene leads to the formation of:

17. 1-propanol and 2-propanol can be best dis¬tinguished by:

18. Which of the Following is True?

19. Dehydration of alcohol is an example of:

20. When Phenol is treated with Excess Bromine Water it gives___