The IUPAC name of a given compound is:

 

1. 2-Ethyl-3-methyl-hex-1-en-4-yne

2. 5-Ethyl-4-methyl-hexa-2-yn-5-ene

3. 3-Methylene-4-methylhepta-5-yne

4. 4-Methyl-5-methylene hepta-2-yne

The IUPAC name of the compound

1. 3,3-diethyl-4-methyl-5 (methylethyl)octane

2. 3,3-diethyl-5-isopropyl-4-methyloctane

3. 4-isopropyl-5-methyl-6,6-diethyloctane

4. 6,6-diethyl-4-isopropyl-5-methyloctane

 The compound is an example:

1. aromatic compound                 

2. heterocyclic compound

3. annulene                               

4. xanthates

Which of the following species exhibits paramagnetism?

The structure of cis-bis (propenyl) ethene is:

1.   

2. 

3. 

4.  

IUPAC name of the compound,  is:   

1. 1-chloro-2,3-epoxypropane

2. 3-chloro-1,2-epoxypropane

3. 1-chloroethoxymethane

4. None of the above

The dihedral angle between two C-H bonds in the staggered conformation of ethane  is            

1. 60$°$ 

2. 180$°$

3. 0$°$ 

4. 120$°$

How many stereoisomers does this molecule have?           

CH₃CH=CHCH₂CHBrCH₃

1. 4       

2. 6       

3. 8       

4. 2

Which one of the following can exhibit cis-trans-isomerism?

1. CH₃-CHCl-COOH

2. H-C≡C-Cl

3. Cl-CH=CHCl

4. ClCH₂-CH₂Cl

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