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)

The number of geometrical isomers in case of a compound with the structure,

CH₃-CH=CH-CH=CH-C₂H₅ are:

1. Four                 

2. Three

3. Two                 

4. Five

The number of isomeric structures for C₂H₇N would be:

1 4

2. 3

3. 2

4. 1

Geometrical isomerism is caused by-

1. Restricted rotation around C=C bond.

2. The presence of one asymmetric carbon atom.

3. The different groups attached to the same functional group.

4. None of the above.