Aldehyde functional group can occur :

The aldehyde functional group is

What is the formula of the aldehyde functional group?

Which reagent is useful for protecting an aldehyde functional group in synthesis involving strong bases and nucleophiles ?

The functional group which always occurs in the middle of a carbon chain is :

Are aldehydes isomeric with another functional group? Which out of them is more reactive?

The compound has one alcoholic and one aldehydic functional group :

Select the correct answer from the choice in brackets The functional group in ethanoic acid. [aldehydic / carboxyl/ hydroxyl]