1.

Which two sets of reactants best represent the amphoteric character of Zn(OH)_(2)? Set1: Zn(OH)_(2)(s) and OH^(-)(aq) Set 2:Zn(OH)_(2)(s) and H_(2)O(l) Set 3:Zn(OH)_(2)(s) and H^(+)(aq) Set 4 : Zn(OH)_(2)(s) and NH_(3)(aq)

Answer»

1 and 2
1 and 3
2 and 4
3 and 4

Solution :`UNDERSET("ACID")(ZN(OH)_(2))+underset("BASE")(2OH^(-)) to underset("Salt")(ZnO_(3)^(2-)+underset("Water")(2H_(2)O)`
`underset("Base")(Zn(OH)_(2))+underset("Acid")(2H^(+)) to underset("Salt")(Zn^(2+)+underset("Water")(2H_(2)O)`


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