Geometrical isomers differ in :

1. Position of functional group.

2. Position of atoms.

3. Length of carbon chain.

4. Spatial arrangement of atoms.

Fisher projection indicates:

1. horizontal substituents above the plane

2. vertical substituents above the plane

3. both horizontal and vertical substituents below the plane

4. both horizontal and vertical substituents above the plane

Select the correct option:-

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1. resonating structures

2. tautomers

3. geometrical isomers

4. optical isomers

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.