What should the iupac name for a binary covalent compound lack?
prefixes
roman numerals
an -ide ending
the name of a nonmetal

Answer :  The IUPAC name for a binary covalent compound will lack by Roman numerals.

Explanation :

Covalent compounds are made up of the combination of non-metals.

The rules for naming of binary covalent compound :

In the naming of binary covalent compound, the lower group number element is written first in the name and keep its element name and the higher group number is written second.

First non-metal element in the formula is named first and keep its element name.

Second non-metal element is named second.

For example : The naming of is Oxygen difluoride.

a corroding iron, if that's one of your choices