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Electrochemistry Problems

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Assign oxidation numbers for the species below. Determine which species is the oxidizing agent and which is the reducing agent. Which species is being oxidized? Which species is being reduced?

Cr3+^{3+} + Pb ⟶\longrightarrow Cr + Pb2+^{2+}

Posted by Sara Robertson a year ago

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Oxidation State

Determine the oxidation state of S in Na2_2SO4_4

ElectrochemistryEasyVideo
Balancing Redox Reactions

Balance the redox reaction below

Sn + Ag+^+ ⟶\longrightarrow Sn2+{^2+} + Ag

ElectrochemistryEasyVideo
Balance Redox Reactions

The following reaction takes place under acidic conditions. Assign oxidation numbers and balance the oxidation reduction reaction using the half reaction method.

HNO3_3 + Fe2+^{2+} ⟶\longrightarrow Fe3+^{3+} + NO2_2

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Half Reaction Method

Balance the following redox reaction given acidic conditions, using the half reaction method.

S(s)+NO2+(aq)⟶SO2−(aq)+NO(g)S (s) + NO_2^+ (aq) \longrightarrow SO_2^- (aq) + NO (g) .

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