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CHEGG 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:

TlĀ³āŗ + SnĀ²āŗ ā†’ Tlāŗ + Snā“āŗ

Explanation:

In a redox reaction, one compound is oxidized (Loosing electrons) whereas the other compound is reduced (Gaining electrons). In the reaction, the half-reactions of oxidation and reduction are:

SnĀ²āŗ ā†’ 2eā» + Snā“āŗ (Oxidation: Loosing electrons)

TlĀ³āŗ + 2eā» ā†’ Tlāŗ (Reduction: Gaining electrons)

The sum of both reactions gives:

TlĀ³āŗ + SnĀ²āŗ + 2eā» ā†’ Tlāŗ + 2eā» + Snā“āŗ

Subtracting the electrons:

TlĀ³āŗ + SnĀ²āŗ ā†’ Tlāŗ + Snā“āŗ

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