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Iodine reduction by tin, 1 of 3

Iodine reduction by tin, 1 of 3. Tin(II) sulphate (SnSO4) solution has pale yellow colour (left vial). Iodine (I2) dissolved in water with added potassium iodide (KI) and polyvinyl alcohol has deep blue colour (right vial). When tin(II) sulphate solution is added drop by drop to the iodine solution (middle vial), it becomes colorless, as I2 is reduced to I- and Sn2+ is oxidized to Sn4+: Sn2+ + I2 -> Sn4+ + I-.
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Titre:
Iodine reduction by tin, 1 of 3
Légende: Voir la traduction automatique
Iodine reduction by tin, 1 of 3. Tin(II) sulphate (SnSO4) solution has pale yellow colour (left vial). Iodine (I2) dissolved in water with added potassium iodide (KI) and polyvinyl alcohol has deep blue colour (right vial). When tin(II) sulphate solution is added drop by drop to the iodine solution (middle vial), it becomes colorless, as I2 is reduced to I- and Sn2+ is oxidized to Sn4+: Sn2+ + I2 -> Sn4+ + I-.
Crédit:
Album / Turtle Rock Scientific/Science Source
Autorisations:
Modèle: Non - Propriété: Non
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Taille de l'image:
5156 x 3433 px | 50.6 MB
Taille d'impression:
43.7 x 29.1 cm | 17.2 x 11.4 in (300 dpi)
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