Select the correct option based on the statements below:

Assertion (A):	Phenols give o-and p-nitrophenol on nitration with conc. HNO3 and H2SO4 mixture.
Reason (R):	—OH group in phenol is o-, p-directing.

 

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.	(A) is False but (R) is True.

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:

The alkoxy group in aryl alkyl ethers activates the benzene ring towards:

1. Nucleophilic addition reaction

2. Electrophilic addition reaction

3. Nucleophilic substitution reaction

4. Electrophilic substitution reaction