Here are the CORRECT names and molecular formulas
carbonate: [tex]CO_3^{2-}[/tex]
bicarbonate: [tex]HCO_3^{-}[/tex]
Choice 1 is incorrect
nitrite: [tex]NO_2^{-}[/tex]
nitrate: [tex]NO_3^{-}[/tex]
Choice 2 is incorrect
sulfite: [tex]SO_3^{2-}[/tex]
sulfide: [tex]S^{2-}[/tex]
Choice 3 is incorrect
By process of elimination, you can infer choice 4 is correct.
Actually, choice 4 is the only choice that displays the correct name and formula.
Have an awesome day! :)
