The net ionic equation for the reaction is ; [tex]NiCO_{3} + 2H^{+} + 2Br^{-} ----> NiBr_{2} + 2H^{+} + CO_{3} ^{-2}[/tex]
The nickel (ii) carbonate is an insoluble solid hence it does not dissociate itself into its ions readily.
while The net reaction equation when nickel ( ii ) carbonate and excess hydrobromic acid is combined :
[tex]NiCO_{3}_{(s)} + 2HBr_{(aq)} -----> NiBr_{2}_{(aq)} + H_{2} CO_{3}[/tex]
An Ionic equation is an equation ( chemical ) whereby the electrolytes contained in a given solution are expressed in the form of ions.
Hence the net ionic equation for the reaction that occurs when nickel (ii) carbonate and excess hydrobromic acid (aq) are combined is written as :
[tex]NiCO_{3} + 2H^{+} + 2Br^{-} ----> NiBr_{2} + 2H^{+} + CO_{3} ^{-2}[/tex]
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