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

1. Geometrical       

2. Optical

3. Tautomerism       

4. Position

The number of different amines corresponding to the formula C₃H₉N is:

1. 2

2. 3

3. 4

4. 5

Hydrogen cyanide and hydrogen isocyanide are:

1. tautomers

2. positional isomers

3. metamers

4. chain isomers

The optically active compound among the following is-

1. Isobutyric acid

2. beta-Chloropropionic acid

3. Propionic acid

4. alpha-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

In the Kjeldahl's method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75 g of sample neutralised 10 mL of 1 M H₂SO₄. The percentage of nitrogen in the soil is

1. 37.33             2. 45.33

3. 35.33             4. 43.33

Which one among the following is most reactive towards nucleophilic addition reaction?

1.		2.
3.		4.

In Duma's method of estimation of nitrogen, 0.35 g of an organic compound gave 55 ml of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be:

(Aqueous tension at 300 K = 15 mm)

1. 16.45

2. 27.45

3. 44.45

4. 35.45