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

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

2. Phenols are more acidic than alcohols because:

3. Which of the Following is True?

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

5. 1-propanol and 2-propanol can be best dis¬tinguished by:

6. Catalytic Dehydrogenation of Primary Alcohol gives a___

7. HBr reacts fastest with:

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

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

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

11. Dehydration of alcohol is an example of:

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

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

14. Dehydration of alcohol is an example of:

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

16. Wood spirit is known as acetone:

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

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

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

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