Select the correct option based on the statements given below:

Assertion (A):	Phenol forms 2,4,6-tribromophenol on treatment with Br2 in carbon disulphide at 273K.
Reason (R):	Bromine polarises in carbon disulphide.

  

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

Select the correct option based on the statements below:

Find the number of structural isomers of alcohol having molecular formula C₅H₁₂O.

The number of monohydric phenols that can have the molecular formula, \(\mathrm{C}_7 \mathrm{H}_8 \mathrm{O}\) are:

Phenol is more acidic than ethanol due to:

1. Resonance

2. Phenoxide ions 

3. Less -I effect

4. More ability to gain a proton

The group that activates the benzene ring towards electrophilic substitution reaction is:

Potassium permanganate reagent is used for :

1. Oxidation of primary alcohol to carboxylic acid.
2. Oxidation of primary alcohol to aldehyde.
3. Bromination of phenol to 2,4,6-tribromophenol.
4. Dehydration of propan-2-ol to propene.

The compound having the lowest boiling point is: