A 2 cac2s 3 o2g 4 cog 2 caos acid base reaction oxidation...

a) 2 CaC2(s) + 3 O2(g) -> 4 CO(g) + 2 CaO(s) acid-base reaction oxidation-reduction reaction (b) 2 Fe(s) + 3 NaOCl(aq) -> Fe2O3(s) + 3 NaCl(aq) acid-base reaction oxidation-reduction reaction (c) HC2H3O2(aq) + NaHCO3(aq) -> NaC2H3O2(aq) + CO2(g) + H2O(l) acid-base reaction oxidation-reduction reaction

Classify the following as acid-base reactions or oxidation-reduction reactions: (a) $\mathrm{Na}_{2} \mathrm{S}(a q)+2 \mathrm{HCl}(a q) \longrightarrow 2 \mathrm{NaCl}(a q)+\mathrm{H}_{2} \mathrm{S}(g)$ (b) $\mathrm{PCl}_{3}(l)+\mathrm{Cl}_{2}(g) \longrightarrow \mathrm{PCl}_{5}(s)$ (c) $\mathrm{C}_{2} \mathrm{H}_{4}(g)+3 \mathrm{O}_{2}(g) \longrightarrow 2 \mathrm{CO}_{2}(g)+2 \mathrm{H}_{2} \mathrm{O}(g)$ (d) $\mathrm{Zn}(s)+\mathrm{H}_{2} \mathrm{SO}_{4}(a q) \longrightarrow \mathrm{ZnSO}_{4}(a q)+\mathrm{H}_{2}(g)$ (e) $2 \mathrm{K}_{2} \mathrm{S}_{2} \mathrm{O}_{3}(s)+\mathrm{I}_{2}(s) \longrightarrow \mathrm{K}_{2} \mathrm{S}_{4} \mathrm{O}_{6}(s)+2 \mathrm{KI}(s)$ (f) $3 \mathrm{Cu}(s)+8 \mathrm{HNO}_{3}(a q) \longrightarrow 3 \mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}(a q)+2 \mathrm{NO}(g)+4 \mathrm{H}_{2} \mathrm{O}(l)$

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