$CH_3-CH_2-OH \xrightarrow{\text{Alkaline } KMnO_4 + \text{Heat}} CH_3-COOH$
In the above given reaction,alkaline $KMnO_4$ acts as:

Which substance is produced by the oxidation of methanal in the presence of an oxidising agent?

What is the reaction called in which ethanol reacts with acetic acid in the presence of concentrated $H_{2}SO_{4}$ to form ethyl acetate and water?

Write three different chemical reactions showing the conversion of ethanoic acid to sodium ethanoate. Write balanced chemical equations in each case. Write the name of the reactants and the products other than ethanoic acid and sodium ethanoate in each case.

What is the name of the aldehyde corresponding to methane?

What is the difference between two consecutive members in a homologous series of alkanes in terms of:
$(i)$ molecular mass.
$(ii)$ number of atoms of elements.