Find the number of forms exhibited by benzaldoxime.

1.  Four (4)
2. Three (3)
3. Two (2)
4. One (1)

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

The isomeric cis-2-Butene and trans-2-Butene can be distinguished on the basis of:

1. Their colour.

2. Their reduction products.

3. The products they give on ozonolysis..

4. The products they give on addition to bromine.

The maximum number of stereoisomers possible for 3-hydroxy-2-methyl butanoic acid is:

1. 1               2. 2

3. 3               4. 4

Maleic and fumaric acids are:

1. tautomers                 

2. geometrical isomers

3. chain isomers             

4. functional isomers