alb10615717
Iodine reduction by tin
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Titre: Iodine reduction by tin
Légende: Voir la traduction automatique
Iodine reduction by tin. Tin(II) sulfate (SnSO4) solution has pale yellow color (left vial). Iodine (I2) dissolved in water with added potassium iodide (KI) and polyvinyl alcohol has deep blue color (right vial). When tin(II) sulfate 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-.
Iodine reduction by tin. Tin(II) sulfate (SnSO4) solution has pale yellow color (left vial). Iodine (I2) dissolved in water with added potassium iodide (KI) and polyvinyl alcohol has deep blue color (right vial). When tin(II) sulfate 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 / Science Source / GIPhotoStock Images
Autorisations: ? Autorisation de modèle: Non - ? Autorisation de propriété: Non
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Taille de l'image: 10000 × 2792 px | 79.9 MB
Taille d'impression: 84.7 × 23.6 cm | 3937.0 × 1099.2 in (300 dpi)
Mots clés: CHIMIE • SCIENCE: CHIMIE
