II. Assign oxidation numbers, balance the molecular equation, emphasizing the gain and loss of electron ., substance oxidized, substance reduced, oxidizing and reducing agents 2. KI + H,SO. H2S +2 + K2SO4+ H20

II. Assign oxidation numbers, balance the molecular equation, emphasizing the gain and loss of electron ., substance oxidized, substance reduced, oxidizing and reducing agents 2. KI + H,SO. H2S +2 + K2SO4+ H20

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

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

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

Chapter8: Reactions In Aqueous Solutions

Section8.3: Classifying Reactions

Problem 4RQ

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Concept explainers

Redox Reactions

Redox reactions are considered to be the chemical reactions involving both oxidation and reduction processes. They are actually oxidation-reduction reactions. The term redox is made from two words where “red” comes from reduction and “ox” comes from oxidation. During a redox reaction electron transfer takes place in such a way that one chemical compound gets reduced and the other one gets oxidized.

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II. Assign oxidation numbers, balance the molecular equation, emphasizing the gain and
loss of
electron ., substance oxidized, substance reduced, oxidizing and reducing agents
2. KI + H,SO4
H2S + 2 + K2SO4+ H20

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