Question

Draw the structures and write the IUPAC names of all the structural isomers of fourth member of homologous series of alkynes. Identify position isomers of them.

Answer 1

I hope this answer is correct for ur question

Answer 2

Hey Lavi,

● Answer with explanation -

Molecular formula of the 4th member of alkynes series is C5H8.

There can be 3 alkynes with that formula.

1) 1-Pentyne -

CH3-CH2-CH2-C≡CH

2) 2-Pentyne -

CH3-CH2-C≡C-CH2

3) 3-Methylbutyne -

CH3-CH(CH3)-C≡CH

# Position isomers -

• Structural isomers with functional groups attached to different positions of same carbon chain are called position isomers.

Hope this helped you. Thanks for asking..