Fill in the blanks from the choices given in brackets – The compound formed when ethene reacts with hydrogen is …………… [CH₄, C₂H₆, C₃H₈]

Write the IUPAC names of:

Compound A is bubbled through bromine dissolved in carbon tetrachioride as follows :

(i) Draw the structure of A.

(ii) State your observation during this reaction.

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.