Question

When the equation `Ni(NO_3)_3 + PbBr_4 -> NiBr_3 + Pb(NO_3)_4` is balanced, what is the coefficient for `Ni(NO_3)_3`?

Answer 1

Are you sure you can get trivalent nickel? `Ni(NO_3)_2` is more likely.

Explanation:

`"Typical oxidation states of nickel are 0, +I, +II, "and rarely" +IV.`