Write IUPAC names of the following structures.

(i)


(ii)


(iii)



i) The number of carbon atoms in the longest chain is two and two aldehyde groups are present. Thus, IUPAC name of the above compound is Ethane-1,2-dial.


ii) Here, two aldehyde groups are attached to the benzene ring. Two –CHO groups are attached the carbon atom at position 1 and 4. Thus, IUPAC name of the above compound is Benzene-1, 4-dicarbaldehyde.


iii) Here, a bromine atom is attached at the 3rd position with respect to the aldehyde group on the benzene ring. Thus, IUPAC name of the above compound is 3-Bromobenzaldehyde.


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