Alkynes

C₁ - C₂ bond is shortest in:

Why do but-1-yne and but-2-yne exhibit position isomers.

Give the position isomers of pentyne.

There are two possible structures for butyne (positional isomers) — but-1-yne and but-2-yne.

Name the position isomers of butyne ?

Describe position isomers for alkynes?

Describe chain isomers for alkynes.

Which one is incorrect name?

Write the IUPAC name and structural formula of ${\mathrm{C}}_3{\mathrm{H}}_4$.

In which of the following compounds, the bond length between hybridized carbon atom and other carbon atom is minimum?

Acidic hydrogen is present in

Acidic hydrogen is present in

Acidic hydrogen is present in

The number of possible alkynes with molecular formula ${\mathrm{C}}_5{\mathrm{H}}_8\mathrm{ }\mathrm{i}\mathrm{s}$

The IUPAC name of the compound ${\text{CH}}_3\text{CH}=\text{CHCH}=\text{CHC}\equiv {\text{CCH}}_3$ is

In which of the following compounds, the bond length between two hybridised carbon atoms is minimum ?