1) Suppose that substance A2,B2,C2 are oxidizing agents. You are given the follo
ID: 1003891 • Letter: 1
Question
1) Suppose that substance A2,B2,C2 are oxidizing agents. You are given the following facts:A2 is green, B2 is yellow and C2 is red. The three substance undergo reactions in which they are reduced to A-, B- and C- ions. The three anions A-,B-,C- are all colorless in aqueous solution. When a solution of C2 is mixed with solution containing A- ions, the color changes from red to green. a) Determine which substance is oxidized explain b) Determine which substance is reduced explain. c) Is C2 better oxidizing than A2? Explain 2) When a solution of C2 is mixed with a solution contains B- ions the color remain red. Is C2 a better oxidizing agent than B2? Explain 3) Arrange A2, B2, C2 in order of increasing strenghth as oxidizing agents.
Explanation / Answer
1) a) A- is oxidized as C2 is reduced hence the color change
b) C2 is reduced because red color changed to green
c) C2 is a better oxidizing agent than A2 because it could oxidize A- ions
2) If color of C2 does not change means that it could not oxidize B- ions. Hence, B2 is a better oxidizing agent than C2.
3) A2,C2,B2 is the increasing order of strength of oxidizing agents
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