Q1) a) What is i) a standard solution? ii)a reduction-oxidation (redox) reaction? b) A standard solution of hydrated Iron (1I) sulphate, FeSO4.xH20, as prepared by dissolving 5.8g of the salt in a volumetric flask making it to 250ml (250 cm³), 25ml (25 cm³) of this solution was acidified and found to react with 22.8ml (22.8 cm³) of 0.018MPotassium permanganate solution. The half equation for the reaction are: Mn"(an)* MnO4(aq) + 8H'(aq) Fe"(aq) + 4H;Oµ) Fe?"(ag) + e i) What is the indicator for the titration of Iron(II)sulphate and Potassium permanganate solution? ii)indicate the colour at the end point if the permanganate is in the burette. iii)Why is it necessary to acidify the Iron(II)sulphate before titration ?
Q1) a) What is i) a standard solution? ii)a reduction-oxidation (redox) reaction? b) A standard solution of hydrated Iron (1I) sulphate, FeSO4.xH20, as prepared by dissolving 5.8g of the salt in a volumetric flask making it to 250ml (250 cm³), 25ml (25 cm³) of this solution was acidified and found to react with 22.8ml (22.8 cm³) of 0.018MPotassium permanganate solution. The half equation for the reaction are: Mn"(an)* MnO4(aq) + 8H'(aq) Fe"(aq) + 4H;Oµ) Fe?"(ag) + e i) What is the indicator for the titration of Iron(II)sulphate and Potassium permanganate solution? ii)indicate the colour at the end point if the permanganate is in the burette. iii)Why is it necessary to acidify the Iron(II)sulphate before titration ?
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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