Chemical reactions of Phenol

When phenol is treated with excess of bromine water, it gives which of the following product?

• m-bromophenol

• o-and p-bromophenol

• 2,4-dibromophenol

• 2,4,6-tribromophenol

Which of the following name reactions produces salicyldehyde?

• Kolbe's reaction

• Rosenmund reduction

• Reimer Tiemann reaction

• Williamson's synthesis

Phenols produce 2,4,6-trinitro phenol by using which of following reagents?

• Dil HNO₃

• Con HNO₃ + Con H₂SO₄

• Con HNO₃

• Con H₂SO₄

Arrange the increasing of acidity ROH, Phenols

and H₂O.

• ROH < H₂O < Phenols

• ROH > H₂O > Phenols

• H₂O < Phenols < ROH

• H₂O > Phenols > ROH

HOW WILL YOU CONVERT PHENOLS INTO BENZENE.

• By reacting it With Zn dust

• By reacting it With Cu dust

• By reacting it With Al dust

• By reacting it With Na dust

Phenol on reaction with CO₂ in basic medium gives a compound A, when this A is reacted with acetic anhydride compound B is formed, compound B is used as antipyratic and non narcotic analgesic,

identify B ?

• Aspirin

• Paracetamol

• Picric acid

• Salicylic acid