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

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

2. Which of the Following is True?

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

4. Dehydration of alcohol is an example of:

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

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

7. HBr reacts fastest with:

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

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

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

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

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

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

14. Phenols are more acidic than alcohols because:

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

16. Wood spirit is known as acetone:

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

18. Catalytic Dehydrogenation of Primary Alcohol gives a___

19. Dehydration of alcohol is an example of:

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