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

Diastereomers can be separated by:

1. Fractional distillation

2. simple distillation

3. electrophoresis

4. all of these

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)

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

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.

Which of the following is optically active?

1. Alanine

2. 2-butanol

3. Lactic acid

4. All of these

Lactic acid is also known as:

1. Propionic acid

2. β-Hydroxypropanoic acid

3. α-Hydroxypropanoic acid

4. None of the above

Find the number of forms exhibited by benzaldoxime.

Nitroethane can exhibit one of the following kind of isomerism:

1. metamerism             

2. optical activity

3. tautomerism             

4. position isomerism