The IUPAC refers to the substance as methanoic anhydride. It is an anhydride of formic acid or methanoic acid.
Answer and justification The longest carbon chain in the above diagram has seven carbon atoms, as can be observed. The IUPAC nomenclature for this compound is heptane since all of the bonds are single bonds devoid of any functional groups.
Halogens are always regarded as substituents and are added as a prefix to the name of a compound when naming it. Thus, 3-chloro-4-methylhexane is the compound's IUPAC designation.
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