Question:
Which two sets of reactants best represent the amphoteric character of \( Zn(OH)_2 \)?
Set I \( Zn(OH)_2(s) \) and \( OH^-(aq) \)
Set II \( Zn(OH)_2(s) \) and \( H_2O(l) \)
Set III \( Zn(OH)_2(s) \) and \( H^+(aq) \)
Set IV \( Zn(OH)_2(s) \) and \( NH_3(aq) \)
Which two sets of reactants best represent the amphoteric character of \( Zn(OH)_2 \)?
Set I \( Zn(OH)_2(s) \) and \( OH^-(aq) \)
Set II \( Zn(OH)_2(s) \) and \( H_2O(l) \)
Set III \( Zn(OH)_2(s) \) and \( H^+(aq) \)
Set IV \( Zn(OH)_2(s) \) and \( NH_3(aq) \)
Set II \( Zn(OH)_2(s) \) and \( H_2O(l) \)
Set III \( Zn(OH)_2(s) \) and \( H^+(aq) \)
Set IV \( Zn(OH)_2(s) \) and \( NH_3(aq) \)
Show Hint
An amphoteric substance can react with both acids and bases. \( Zn(OH)_2 \) reacts with \( OH^- \) and \( H^+ \) ions.
Updated On: Jan 12, 2026
- III and II
- I and III
- IV and I
- II and IV
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The amphoteric character of \( Zn(OH)_2 \) is shown by its ability to react both with acids and bases. Set I and Set III represent reactions where \( Zn(OH)_2 \) acts as an acid (reacting with OH-) and a base (reacting with \( H^+ \)).
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