In the IUPAC name of a compound, the _______indicates the total number of carbon atoms present in the longest carbon chain belonging to the compound.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Root.
In IUPAC nomenclature, the root name of a compound signifies the number of carbon atoms in the longest continuous chain of the molecule. This root is fundamental in naming the compound systematically. Additional information, such as substituents and functional groups, is added to this root name to provide a complete and precise chemical name.