Halides, Alcohols, Phenols & Ether Test Online MCQs

1. The product obtained from the reaction is:

2. Among the following the one which reacts most readily with ethanol is

(b) p-chlorobenzyl bromide

(c) p-methoxybenzyl bromide

(d) p-methylbenzyl bromide

3. Lucas test is used for the detection of

4. in the above reaction, Z is:

5. An organic compound X on treatment with pyridinium chlorochromate in dichloromethane gives compound Y. Compound Y reacts with I₂ and alkali to form triiodomethane. The compound ‘X’ is

6. Which of the following compounds has the highest boiling point?

7. CH₃OC₂H₅ and (CH₃)₃ C – OCH₃ are treated with hydriodic acid. The fragments obtained after reactions are:

8. Lucas reagent is:

9. Intermolecular hydrogen bonding is strongest in:

10. Maximum enol content is in

11. 0.5 g of sample of bleaching powder was suspended in water and an excess KI added. On acidifying with dil. H₂SO₄, I₂ was liberated which required 50 cc of N/10 hypo solution. The percentage of CI₂ in bleaching powder is:

12. Among the following the dissociation constant is highest for:

13. The formation of diethyl ether from ethanol is based on:

14. Choloropicrin is obtained by the reaction of

15. Picric acid is: