The pair among the following that does not contain position isomers is -

1.
2.
3.
4.

Which of the following compound exhibit optical isomerism?

1. 

2. 

3. 

4. All of these

Arrange the following in order of their reactivity toward electrophilic substitution reaction:-

1. I > II > III > IV

2. IV > III > II > I

3. II > I > IV > III

4. II > I > III > IV

Which of the following compound requires minimum energy for free rotation across double bond between ring :-

1. 

2. 

3. 

4. 

Which of the following molecule is non planer:-

1. 

2. 

3. 

4. 

The aromatic compound among the following is:-

1.		2.
3.		4.

The most stable carbocation among the following is-

1.		2.
3.		4.

The presence of a halogen on the benzene ring in a nitration reaction leads to:

The pair of structures that does not represent isomers is:

1.		2.
3.		4.

Which among these can exhibit tautomerism?

1. a only

2. b only

3. c only

4. a and c