Question

For each of the reactions below, a) identify the oxidation numbers for each element, b) identify which element(s) are oxidized (if any), c) identify which element(s) are reduced (if any) and d) identify the reaction as either redox or as non-redox

1. AgNO₃ + ­­NaOH → AgOH + NaNO₃
   1. Ag: +1→+1, N:+5→+5, O:-2→2, Na:+1→+1, H:+1→+1
   2. None
   3. None
   4. Non-redox
2. 2AgNO₃ + Na₂CO₃ → Ag₂CO₃ + 2NaNO₃
   1. Ag: +1→+1, N:+5→+5, C:+4→+4 O:-2→2, Na:+1→+1
   2. None
   3. None
   4. Non-redox
3. 2LiHCO₃ → Li₂CO₃ + H₂O + CO₂
   1. Li: +1→+1, H:+1→+1, C: +4→+4; O:-2→2
   2. None
   3. None
   4. Non-redox
4. C₄H₉OH + 6O₂ → 4CO₂ + 5H₂O
   1. C: -2→+4, H:+1→+1, O: -2 and 0 →-2
   2. C
   3. O
   4. Redox
5. BaCl₂ + Li₂CrO₄ → BaCrO₄ + 2 LiCl
   1. Ba:+2→+2, Cl:-1→-1, Li:+1→+1, Cr:+6→+6, O:-2→-2
   2. None
   3. None
   4. Non-redox       
6. 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂
   1. Al:0→+3, H:+1→0, S:+6→+6, O:-2→-2
   2. Al
   3. H
   4. Redox  
7. 2HC₂H₃O₂ + Ca(OH)₂ → Ca(C₂H₃O₂)₂ + 2 H₂O
   1. H: +1→+1, C:0→0, O:-2→-2, Ca:+2→+2
   2. None
   3. None
   4. Non-redox
8. 2Fe + 3H₂SO₄ → 3H₂ + Fe₂(SO₄)₃
   1. Fe:0→+3; H:+1→0, S:+6→+6, O:-2→-2
   2. Fe
   3. H
   4. Redox

Answer 1