In the IUPAC name of a compound, the _______indicates the total number of carbonatoms present in the longest carbon chain belonging to the compound.

Correct option is C

• The root name is derived from the number of carbon atoms in the longest chain. For example, meth- indicates 1 carbon atom, eth- indicates 2 carbon atoms, prop- indicates 3 carbon atoms, and so on.

• The suffix and infix describe functional groups and bonds (such as -ol for alcohols, -ane for saturated hydrocarbons).

• The prefix may be used to indicate additional groups attached to the main chain, such as methyl, ethyl, etc.

Additional Information:

• Suffix: Refers to the ending of the name that indicates the type of compound or functional group (e.g., -al for aldehydes).

• Infix: Indicates the nature of bonds (e.g., -ene for double bonds, -yne for triple bonds).

• Prefix: Describes substituent groups or positions of specific groups attached to the main chain.