The group that activates benzene ring towards electrophilic substitution reaction is-

The alkoxy group in aryl alkyl ethers activate the benzene ring towards -

1. Nucleophilic addition reaction

2. Electrophilic addition reaction

3. Nucleophilic substitution reaction

4. Electrophilic substitution reaction

An appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene is/are : 
 

1.
2.
3.
4.

In Kolbe’s reaction, 

the product formed will be -

1.  Para-salicylic aldehyde

2.  Ortho-salicylic aldehyde

3. Para-salicyclic acid

4. Ortho-salicyclic acid

In Reimer-Tiemann reaction, 

the product will be -

1. ortho-Salicylaldehyde

2. para-Salicylaldehyde

3. meta-Salicylaldehyde

4. all of the above

In Williamson ether synthesis, the major product would be:

1. 1-Methoxypropane

2. 2-Methoxypropane

3. 3-Methoxypropane

4. All of the above

Unsymmetrical ether will be the product in -

(1) Kolbe’s reaction.

(2) Reimer-Tiemann reaction.

(3) Williamson ether synthesis.

(4) None of the above.