The pair that represents chain isomers is :-

1.
2.
3.
4.

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:

I.		II.
III.		Iv.

The major product in the given reaction is-

1. 

2. 

3. 

4. 

Which of the following compound is soluble in aqueous NaOH?

1. 

2. 

3. 

4. 

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

1.		2.
3.		4.

Which of the following is not nucleophile:-

1. 

2. 

3. 

4. 

Correct order of acidic strength for following is:-

1. I > II > III > IV

2. I > III > II > IV

3. IV > III > I > II

4. III > I > II > IV

Which of the following although have $\mathrm{\alpha }$-hydrogen but does not show tautomerism :-

1.

2. 

3. 

4.