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

How many stereoisomers are possible for the open-chain aldohexose structure of glucose?

1. 10

2. 14

3. 16

4. 20

Isomerism among compounds due to migration of a proton is known as:

1. Geometrical       

2. Optical

3. Tautomerism       

4. Position

Identify the number of different amines corresponding to the molecular formula C₃H₉N.

Identify the relationship between hydrogen cyanide and hydrogen isocyanide.

1. Tautomers

2. Positional isomers

3. Metamers

4. Chain isomers

Which of the following compounds is optically active?

1. Isobutyric acid

2. β-Chloropropionic acid

3. Propionic acid

4. α-Chloropropionic acid