Asked by Gg
---This was the previous one---
Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C is red. In the reactions in which they participate, they are reduced to A-, B-, and C- ions, all of which are colorless. When a solution of C is mixed with one containing B- ions, the color changes from red to yellow.
Which species is oxidized? Which is reduced?
When a solution of C is mixed with one containing A- ions, the color remains red.
Is C a better oxidizing agent than A?
Is C a better oxidizing agent than B?
Arrange A B and C in order of increasing strength as an oxidizing agent.
C + B^- ==> C^- + B
You know B^- us colorless and it turns yellow which is the color of B. So the reaction is as I wrote above.
C gains electrons in going to C^- so it is reduced. B^- loses electrons in going to B. It is oxidized.
C+ A^- ==> stays red which means no reaction.
So we have these reactions.
C + A^- ==> N.R.
C + B^- ==> C^- + B
What is an oxidizing agent? That is the gain of electrons is the substance reduced which makes it the oxidizing agent. So C ==> C^- is the gain of electrons which means those reactions above shows which is the stronger oxidizing agent.
C reacts with B^- which means C is a better oxidizing agent than B.
C does not react with A^- which means that A is a stronger oxidizing agent than C.
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--- New ---
You are given an unknown, colorless, solution that contains one of the following salts: NaA, NaB, NaC. In solution, each salt dissociates completely into the Na+ ion and the anion A-,B-,C-. The Na+ ion is effectively inert. Develop a simple procedure for identifying the salt that is present.
Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C is red. In the reactions in which they participate, they are reduced to A-, B-, and C- ions, all of which are colorless. When a solution of C is mixed with one containing B- ions, the color changes from red to yellow.
Which species is oxidized? Which is reduced?
When a solution of C is mixed with one containing A- ions, the color remains red.
Is C a better oxidizing agent than A?
Is C a better oxidizing agent than B?
Arrange A B and C in order of increasing strength as an oxidizing agent.
C + B^- ==> C^- + B
You know B^- us colorless and it turns yellow which is the color of B. So the reaction is as I wrote above.
C gains electrons in going to C^- so it is reduced. B^- loses electrons in going to B. It is oxidized.
C+ A^- ==> stays red which means no reaction.
So we have these reactions.
C + A^- ==> N.R.
C + B^- ==> C^- + B
What is an oxidizing agent? That is the gain of electrons is the substance reduced which makes it the oxidizing agent. So C ==> C^- is the gain of electrons which means those reactions above shows which is the stronger oxidizing agent.
C reacts with B^- which means C is a better oxidizing agent than B.
C does not react with A^- which means that A is a stronger oxidizing agent than C.
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--- New ---
You are given an unknown, colorless, solution that contains one of the following salts: NaA, NaB, NaC. In solution, each salt dissociates completely into the Na+ ion and the anion A-,B-,C-. The Na+ ion is effectively inert. Develop a simple procedure for identifying the salt that is present.
Answers
Answered by
Gg
All information comes from previous answers
Answered by
DrBob222
Is this part of the same question? If so you must have some of A, some of B and some of C
Mix A with the three. It will not react with A^- but will with B^- and C^-
Mix B with the three. It will not react with A or B or C.
Mix C with the three and it will not react with A but will with B.
Then make the choices.
This follows the strength as an oxidizing agent of A, C, B.
Mix A with the three. It will not react with A^- but will with B^- and C^-
Mix B with the three. It will not react with A or B or C.
Mix C with the three and it will not react with A but will with B.
Then make the choices.
This follows the strength as an oxidizing agent of A, C, B.
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