19 In acidic conditions, manganate(VII) ions are reduced to manganese(II) ions, Mn²+. In neutral conditions, manganate(VII) ions are reduced to manganese(IV) oxide, MnO2. 22.0 cm³ of a solution of manganate(VII) ions were needed to oxidise 25.0 cm³ of a solution of iron(II) ions to iron(III) ions in acidic conditions. The same solution of manganate(VII) ions is used to oxidise 25.0 cm³ of the same solution of iron(II) ions in neutral conditions. By considering the oxidation number changes involved, it may be shown that the volume of the manganate(VII) solution required, in neutral conditions, is A 12.6 cm³ □□□ ☑ B 13.2 cm³ C 36.7 cm³ D 38.5 cm³

19 In acidic conditions, manganate(VII) ions are reduced to manganese(II) ions, Mn²+. In neutral conditions, manganate(VII) ions are reduced to manganese(IV) oxide, MnO2. 22.0 cm³ of a solution of manganate(VII) ions were needed to oxidise 25.0 cm³ of a solution of iron(II) ions to iron(III) ions in acidic conditions. The same solution of manganate(VII) ions is used to oxidise 25.0 cm³ of the same solution of iron(II) ions in neutral conditions. By considering the oxidation number changes involved, it may be shown that the volume of the manganate(VII) solution required, in neutral conditions, is A 12.6 cm³ □□□ ☑ B 13.2 cm³ C 36.7 cm³ D 38.5 cm³

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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