How many distinct products can be formed from the monochlorination of 2-methylbutane, excluding optical isomers?

1.	2	2.	3
3.	4	4.	5

An organic molecule necessarily shows optical activity if it:

1.  Is non-superimposable on its mirror image.

2.  Is superimposable on its mirror image.

3.  Contains asymmetric carbon atoms.

4.  Is non-polar.

The \(C - H\) bond distance is longer in - 

The number of structural isomers of ${\mathrm{C}}_4{\mathrm{H}}_{10}\mathrm{O}$ that are ethers is/are :

1.  1

2.  2

3.  3

4.  4 

Which of the following has a zero dipole moment?

1.  1-butene

2.  cis-2-butene

3.  trans-2-butene

4.  2 methyl-1-propene 

The total number of isomers of ${\mathrm{C}}_4{\mathrm{H}}_8$ are-

How many stereoisomers are there for tartaric acid?

1.  3

2.  4

3.  5

4.  0

The number of stereo isomer of the compound ${\mathrm{CH}}_3\mathrm{CHBrCHBrCOOH}$ is

1.  1

2.  2

3.  3

4.  4 

Which of the following compounds will show metamerism?

1.  ${\mathrm{CH}}_3-\mathrm{O}-{\mathrm{C}}_2{\mathrm{H}}_5$

2.  ${\mathrm{CH}}_3-\mathrm{O}-{\mathrm{CH}}_3$

3.  ${\mathrm{CH}}_3-\mathrm{CO}-{\mathrm{C}}_2{\mathrm{H}}_5$

4.  ${\mathrm{C}}_2{\mathrm{H}}_5-\mathrm{S}-{\mathrm{C}}_2{\mathrm{H}}_5$

In the boat conformation of cyclohexane, the most destabilizing interaction is: 

1. eclipsing

2. flagpole-flagpole

3. 1,3-diaxial

4. 1,3-diequatorial