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You are titrating 25.025.0 mL of 0.0100 M Sn2 Sn2 in 1 M HCl HCl with 0.0500 M Tl3 Tl3 resulting in the formation of Sn4 Sn4 and Tl Tl . A PtPt indicator electrode and a saturated Ag|AgCl Ag|AgCl reference electrode are used to monitor the titration. What is the balanced titration reaction

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Answer:

SnÂČâș + TlÂłâș → Sn⁎âș + Tlâș

Explanation:

The SnÂČâș is oxidized to Sn⁎âș. Whereas TlÂłâș is reduced to Tlâș. The half-reactions are:

SnÂČâș → 2e⁻ + Sn⁎âș (Oxidation, loosing electrons)

TlÂłâș + 2e⁻ →Tlâș (Reduction, gaining electrons)

The sum of the reactions gives:

SnÂČâș + TlÂłâș + 2e⁻ → 2e⁻ + Sn⁎âș + Tlâș

Subtracting the electrons in both sides of the reaction:

SnÂČâș + TlÂłâș → Sn⁎âș + Tlâș

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