Aqueous tin(IV) nitrate is mixed with H 2 S (aq) and the precipitate tin(IV) sul
ID: 793525 • Letter: A
Question
Aqueous tin(IV) nitrate is mixed with H2S (aq) and the precipitate tin(IV) sulfide forms. Check all true statements.
The charge on the sulfide ion is -2.
The balanced net ionic equation for this reaction is:
Sn4+ (aq) + S2- (aq) --> SnS (s)
The overall balanced chemical equation for this reaction is:
Sn(NO3)4 (aq) + 2 H2S (aq) --> SnS2 (s) + 4 HNO3 (aq)
The balanced net ionic equation for this reaction is:
NO3- (aq) + K+ (aq) --> KNO3 (aq)
The charge on the sulfide ion is -2.
The balanced net ionic equation for this reaction is:
Sn4+ (aq) + S2- (aq) --> SnS (s)
The overall balanced chemical equation for this reaction is:
Sn(NO3)4 (aq) + 2 H2S (aq) --> SnS2 (s) + 4 HNO3 (aq)
The balanced net ionic equation for this reaction is:
NO3- (aq) + K+ (aq) --> KNO3 (aq)
Explanation / Answer
1) True since sulphide = S-2
2) False since tin(IV) oxidation state is formed but here SnS Sn has (II) which is wrong
3) True
4) False in net inic eq is Sn 4+(aq) + 2H2S -> SnS2(s) + 4H+(aq)
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