Quiz 6 Copper Cycle-solutions

Quiz 6 Copper Cycle-solutions - Version 164/ACCBA Quiz 6...

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Unformatted text preview: Version 164/ACCBA Quiz 6 Copper Cycle lyon (51155) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 1 2 3 4 5 6 7 AA AB AC AD BA BB BC 8 9 10 BACK NEXT BD CA CB CC CD 001 10.0 points Consider the following half reaction in a redox reaction in the copper cycle. Cu Cu 2+ + 2 e- Which of the following statements best de- scribes the chemistry of the half-reaction? 1. The copper(II) ion is gaining electrons and is the reducing agent. 2. The copper(II) ion is reduced and is the oxidizing agent. 3. The copper(II) ion is losing electrons and is the oxidizing agent. 4. The copper(II) ion is oxidized and is the reducing agent. correct Explanation: Copper metal is oxidized to copper(II) ions, in the process reducing the other reactant. 002 10.0 points Which of the following is a list of the four types of reactions that occurred during the copper cycle procedure? 1. Oxidation-reduction, acid-base, decom- position and synthesis 2. Oxidation-reduction, precipitation, acid- base and synthesis 3. Oxidation-reduction, precipitation, acid- base and decomposition correct 4. Precipitation, acid-base, synthesis and decomposition Explanation: The five step copper cycle includes oxidation-reduction twice (the first reaction and last reaction), precipitation, acid-base neutralization and decomposition. 003 10.0 points Manganese (Mn) exhibits a larger number of oxidation numbers in its compounds than any other Period 4 transition metal. The most im- portant oxidation numbers of manganese are...
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Quiz 6 Copper Cycle-solutions - Version 164/ACCBA Quiz 6...

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