What is the common name of $Methanal$?

Identify the functional group present in Pentanone.

What are soaps chemically? How do they differ from synthetic detergents? Explain the mechanism and the cleansing action of soap.

Which functional group is present in alcohol?

Write the chemical equations for the reactions of ethanoic acid with the following:
$(a)$ Sodium
$(b)$ Sodium hydroxide
$(c)$ Ethanol
Also,write the name of one main product for each reaction.

The oxidising agent which can oxidise ethanol to ethanoic acid is: