The unsaturated hydrocarbons undergo:

1. a substitution reaction
2. an oxidation reaction
3. an addition reaction
4. none of the above

The number of C-H bonds in ethane molecule are:

1. Four
2. Six
3. Eight
4. Ten

(a) The IUPAC name of acetylene is:

(i) Propane

(ii) Propyne

(iii) ethene

(iv) ethyne

The organic compound having a double carbon-carbon bond is :

1. C₄H₁₀
2. C₅H₁₀
3. C₃H₄
4. C₃H₈