Problem: Which of the following name/formula pairs is correct?a)  Iron(III) phosphate, FePO4b)  Sodium carbonate, NaCO3c)  Cobalt(II) nitrate, CoNO3d)  Calcium perchlorate, CaClO4e) Ammonium sulfate, (NH4)3SO4

FREE Expert Solution

We are asked which of the following pairs of formula/name are correct. 

The rules for naming binary ionic compounds are as follows:

1. The metal keeps its name and is named and written first.

– For transition metals, we use Roman numerals to denote its charge.

2. The nonmetal keeps its base name but has its ending changed to –ide.

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Problem Details

Which of the following name/formula pairs is correct?

a)  Iron(III) phosphate, FePO4

b)  Sodium carbonate, NaCO3

c)  Cobalt(II) nitrate, CoNO3

d)  Calcium perchlorate, CaClO4

e) Ammonium sulfate, (NH4)3SO4