In the IUPAC nomenclature of binary covalent compounds like or , what is the fundamental rule for deciding which element is named first?

Question

In the IUPAC nomenclature of binary covalent compounds like $ICl$ or $OF_2$, what is the fundamental rule for deciding which element is named first?

Prashant Kotian · Accepted Answer

Correct answer: C. Standard IUPAC rules dictate that the less electronegative element is placed first in the name (e.g., Iodine), followed by the more electronegative element with an "-ide" suffix (chloride), making "Iodine monochloride".

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