Instructions: Balance the following reactions based on the Oxidation State Method and Half Reaction Method.Balancing Redox Reactions: 4. K2Cr20, + KI + H3PO4Iz + CPPO4+ K3PO4 + H205. KCr,0,+ FeSO4 + H2S04Cr2(SO4)3 + Fez(sO4)3 + K2S04 + H206. Mno4Fe +2 + H*Mn*++ Fe3++ H20

The oxidation state method tells about the number of electrons present in the reaction. Half…

Answered: 4. K2Cr20, + KI + H3PO4 I2 + CIPO4 +…

4. K2Cr20, + KI + H3PO4 I2 + CIPO4 + K3PO4 + H20 5. K,Cr,0, + Fes04 + H2S04 - Cr2(S04)3 + Fez(SO4)3 + K;S04 + H20 6. Mno4 + Fe +2 + H* - Mn** + Fe3+ + H20

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter19: Transitition Metals, Coordination Chemistry And Metallurgy

Section: Chapter Questions

Problem 19.5QE

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Concept explainers

Science behind corrosion-test

Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.

Corrosion

Question

Instructions: Balance the following reactions based on the Oxidation State Method and Half Reaction Method.

Balancing Redox Reactions:

4. K2Cr20, + KI + H3PO4
Iz + CPPO4
+ K3PO4 + H20
5. KCr,0,
+ FeSO4 + H2S04
Cr2(SO4)3 + Fez(sO4)3 + K2S04 + H20
6. Mno4
Fe +2 + H*
Mn*+
+ Fe3+
+ H20

Definition Definition Chemical reactions involving both oxidation and reduction processes. During a redox reaction, electron transfer takes place in such a way that one chemical compound gets reduced and the other gets oxidized.

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