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

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

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

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

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

5. Which of the Following is True?

6. Wood spirit is known as acetone:

7. Dehydration of alcohol is an example of:

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

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

10. Dehydration of alcohol is an example of:

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

12. 1-propanol and 2-propanol can be best dis¬tinguished by:

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

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

15. HBr reacts fastest with:

16. Phenols are more acidic than alcohols because:

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

18. Catalytic Dehydrogenation of Primary Alcohol gives a___

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

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