Question 4.9: IDENTIFYING OXIDIZING AND REDUCING AGENTS Assign oxidation n...
IDENTIFYING OXIDIZING AND REDUCING AGENTS
Assign oxidation numbers to all atoms, tell in each case which substance is undergoing oxidation and which reduction, and identify the oxidizing and reducing agents.
(a) Ca(s) + 2 H^{+}(aq) → Ca^{2+}(aq) + H_{2}(g)
(b) 2 Fe^{2+}(aq) + Cl_{2}(aq) → 2 Fe^{3+}(aq) + 2 Cl^{-}(aq)
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