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Homework answers / question archive / Classify each of the following as a redox reaction or a non-redox reaction
Classify each of the following as a redox reaction or a non-redox reaction. Redox Non-redox 2CO + O2 rightarrow 2CO2 SO3 + H2O rightarrow H2SO4 Zn + CuCl2 rightarrow ZnCl2 + Cu HCl + NaOH rightarrow H2O + NaCl
1. redox. As oxidation number of C changes from +2 to +4 and of O from 0 to -2
2. redox. As oxidation number of Zn changes from 0 to +2 and of Cu from +2 to 0
3. non-redox. As no oxidation number change occurs for S,O or H
4. non-redox. As no oxidation number change occurs for H,Cl,Na or H
