Write a balanced equation for :

(i) Burning of ethane in plentiful supply of air.

(ii) Action of water on calcium carbide.

(iii) Heating of ethanol at 170°C in the presence of conc. sulphuric acid.

Write balanced chemical equation for : Preparation of ethanol from ethyl chloride.

Give the structural formulae of:

(i) 2-methyl propane

(ii) Ethanoic acid

(iii) Butan-2-ol

Identify the term/substance in each of the following :

(i) The catalyst used in the conversion of ethyne to ethane.

(ii) The type of reactions alkenes undergo.