Balance the following redox reactions. 1. Hg₂²+ (aq) + Sn²+ (aq) → 2. Al(s) + 2H+* (a (aq) + 2CI 3. HN2NNH2 + 103 + Hg() + Sn4+ (aq) A1³+ + (aq) H2(g) CI™ N2 (8) + 2Cl(aq) + IC1₂

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Chapter1: Chemical Foundations
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Guidelines for Balancing Redox Equations:

  • Determine the oxidation states of each species.
  • Write each half reaction and for each:
    1. Balance atoms that change oxidation state.
    2. Determine number of electrons gained or lost
    3. Balance charges by using H+ (in acidic solution) or OH- (in basic solution).
    4. Balance the rest of the atoms (H's and O's) using H2O.
  • Balance the number of electrons transferred for each half reaction using the appropriate factor so that the electrons cancel.
  • Add the two half-reactions together and simplify if necessary.

 

Balance the following redox reactions.
1. Hg₂²+ (aq) + Sn²+ (aq) → Hg() +
2. Al(s) +
2H* (aq)
+ 2Cl → Al³+ (aq)
3. HN2NNH2 +
103 + CI™
4. Ti³+ + Fe(CN)6³-→
5. Ag(s) + I + Sn4+
TiO²+ +
Sn4+ (aq)
+ H2(g) +
N2 (8) + ICI₂
Fe(CN)64-
Sn²+
Agl(s) +
2Cl(aq)
Transcribed Image Text:Balance the following redox reactions. 1. Hg₂²+ (aq) + Sn²+ (aq) → Hg() + 2. Al(s) + 2H* (aq) + 2Cl → Al³+ (aq) 3. HN2NNH2 + 103 + CI™ 4. Ti³+ + Fe(CN)6³-→ 5. Ag(s) + I + Sn4+ TiO²+ + Sn4+ (aq) + H2(g) + N2 (8) + ICI₂ Fe(CN)64- Sn²+ Agl(s) + 2Cl(aq)
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