Give an example of isomers shown by triple bond hydrocarbons (alkynes) and write their IUPAC names.

How is ethyne prepared in the laboratory?

(a) Draw a diagram

(b) Give an equation

(c) How is pure dry gas collected?

Name the organic compound which:

(a) is a tetrahedral molecule.

(b) is a planar molecule.

(c) is a linear molecule.

(d) forms a red precipitate with ammoniacal solution of copper (I) chloride.

(e) is known as paraffin.

(f) is known as olefin.

(g) will give ethyne (acetylene) gas when treated with water.

Classify the following compounds as alkanes, alkenes and alkynes: C₃H₄, C₃H₈, C₅H₈, C₃H₆