The IUPAC name of a compound depends on its functional group and structure. The number of carbon atoms and the type of bond (single, double, triple) in the chain determine the name.
(i) IUPAC Name of the First Compound:
The given structure represents an alkyne compound with 3 carbon atoms and a triple bond between two carbon atoms. The IUPAC name for this compound is Propyne or 1-Propyn (where the triple bond starts at the first carbon atom).
(ii) IUPAC Name of the Second Compound:
The second structure is an aldehyde with 3 carbon atoms and a functional group (-CHO) attached to the last carbon. The IUPAC name for this compound is Propanal.
