Redox reactions involve the transfer of electrons (usually abbreviated e-) from one molecule to the other. Rzbl�O�'����C���t����z!���`# � �UZ�e�B�`2��#Fk�0��P���hr.�fbH� + 2$042-(aq) C. + D. 4H+(aq) 2H-O(1) Nonredox Reactions Chem 12 Practice Worksheet - Answer Key Key page 1 Redox #1 (KEY) 1. x�b```b``9�������A��b�,��.�s��(������m����Ct�˳]�0\�"VE�8�e�3'K���)k{�]�+Ҕ�4��o�\��V�"�^��~3�y1�&>E�P�����fc�%c� D�J Pȥ���`R���Ia��l�Q��? 1. Identify the oxidizing agent and the reducing agent, also. Assume that the reactions take place in alkaline solution. Oxidation of S 2O 3 2-to S 4O 6 2-by O 2 Homework: Balance each of these two reactions using the eight steps we discussed. A few examples of redox reactions, along with their oxidation and reduction half-reactions are provided in this subsection. Practice Problems: Redox Reactions. Redox reactions, or oxidation-reduction reactions, are a family of reaction that are concerned with the transfer of electrons between species. 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