Find the type of isomerism shown by buta-1,3-diene and but-2-yne.

1. Position isomers

2. Functional isomers

3. Chain isomers

4. Tautomers

The number of different substitution products possible when ethane is allowed to react with Chlorine in sunlight are:

(1) 9

(2) 6

(3) 8

(4) 5

In butane, which of the following forms has the lowest energy?

(1) Gauche form

(2) Eclipsed form

(3) Staggered form

(4) None of these

Diastereomers can be separated by:

1. Fractional distillation

2. simple distillation

3. electrophoresis

4. all of these

What is the relationship between the two given molecular structures?

In the following carbocations, the most stabile carbocation:

(1)  RCH₂C+H₃         

₍₂₎ 

₍₃₎                

 ₍₄₎ 

Identify the number of optical isomers of pent-3-en-2-ol.

1. Two (2)               

2. Four (4)

3. Eight (8)              

4. Sixteen (16)

(1) Monovalent 

(2) Bivalent

(3) Trivalent

(4) Tetravalent

Which of the following structures permits cis-trans isomerism?

1. X₂C=CY₂

2. XYC=CZ₂

3. X₂C=CXY

4. XYC=CXY

Find the number of optically active isomers for a compound containing two dissimilar asymmetric carbon atoms.

1. Two (2)

2. Three (3)

3. Four (4)

4. Five (5)