Explain and identify the reducing agent in the reaction

Reference no: EM13272045

Sodium thiosulfate, Na2S2O3, is used as a "fixer" in black and white photography. Identify the reducing agent in the reaction of thiosulfate with iodine.

2S2O32-(aq) + I2(aq) ? S4O62-(aq) + 2I-(aq)

Reference no: EM13272045

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