10. Identifying Redox Reactions using Oxidation Numbers
a) H2SO4 + Ca(OH)2 → CaSO4 + 2H2O
b) 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s)
c) C3H3(g) + 5 O2(g) → 3 CO2(g) + 4H2O(g)
d) CO2(g) + H2O(0) → H2CO3(aq)
e) Cr2O72- + C2H5OH → 2 Cr3+ + 3 CH3COOH + H20
f) 2 H2O2 (1) ► 2 H20 (g) + O2(g)
Answers: 1
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10. Identifying Redox Reactions using Oxidation Numbers
a) H2SO4 + Ca(OH)2 → CaSO4 + 2H2O
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