The reagent used for the bromination of phenol to 2,4,6-tribromophenol is/are:

1. Bromine water
2. Br₂, CS₂
3. Br₂, CCl₄
4. AgBr

Phenol is more acidic than ethanol due to -

1. Resonance

2. Phenoxide ions 

3. Less -I effect

4. More ability to gain a proton

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 steam-volatile compound x among the following is -

1. o-Nitrophenol

2. p-Nitrophenol

3. Both 1 and 2

4. None of the above

Ortho nitrophenol is more acidic than ortho methoxy phenol because:

$\stackrel{{\mathrm{O}}_2}{\to }\mathrm{Intermediate}\stackrel{{\mathrm{H}}^{+},{\mathrm{H}}_2\mathrm{O}}{\to }$

 The structure and name of intermediate compound is -

"A" in the reaction below is:

The correct sequence of reactions is-

1.
2.
3.
4.

The incorrect reaction among the following is-

1. 

2. 

3. 

4.