Which of the following compounds is not chiral ?

1. DCH2CH2CH2Cl

2. CH3CH2CHDCl

3. CH3CHDCH2Cl

4. CH3CHClCH2D

A pair that represents chain isomer is:

1. CH₃CHCl₂ and ClCH₂CH₂Cl

2. Propyl alcohol and Isopropyl alcohol

3. 2-Methylbutane and Neopentane

4. Diethyl ether and Dipropylether

Number of monochlorinated products (excluding stereo-isomers) obtained from the given reaction are :

Which of the following pairs are enantiomers?                

1. 

2. 

3. 

4. 

How many structural isomers are possible for the compound having molecular formula C₃H₅Br₃?

1. 5                   

2. 4

3. 6                   

4. 8

Which of the following is an optically active compound?        

1. 1-butanol 

2. 1-propanol

3. 2-chlorobutane 

4. 4-hydroxybutanal

In the following, the most stable conformation of n-butane is                

1.

2. 

3. 

4. 

The number of stereo isomers for 3-pentene 2-ol

1. 2 

2. 4 

3. 3 

4. 5

The most stable configuration of n-butane will be                

1. skew boat

2. eclipsed

3. gauche 

4. staggered-anti

The compound having molecular formula C₄H₁₀O can show-

1. Metamerism

2. Functional isomerism 

3. Positional isomerism

4. All of the above