What is produced when ethanol reacts with sodium metal?

How would you bring about the following conversions? Name the process and write the reaction involved.
$(a)$ Ethanol to ethene.
$(b)$ Propanol to propanoic acid.
Write the reactions.

Which of the following represents a saponification reaction?

What is meant by homologous series of carbon compounds? Classify the following carbon compounds into two homologous series and name them.
$C_{3}H_{4}, C_{3}H_{6}, C_{4}H_{6}, C_{4}H_{8}, C_{5}H_{8}, C_{5}H_{10}$

Draw the electron dot structure of ethane,$C_{2}H_{6}$.

Which functional group is attached to the hydrocarbon chain in soap?