Question

Which, if any, of the following is named incorrectly? *

A) FeSO4; iron (II) sulfate
B) Fe(OH)2; iron (III) hydroxide
C) K3P; potassium phosphide
D) Sn3(PO4)4; tin (IV) phosphate

Answer 1

I think it is either a or b

Step-by-step explanation:

c or d has the correct names and Roman numerals.