3PbO2 + 2Cr3++ 2H2O3Pb2+ + 2CrO42-+ 4H+

Question

In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent.

1.name of the element oxidized:
2.name of the element reduced:
3.formula of the oxidizing agent:
4.formula of the reducing agent:

Answer 1

Oxidation is the loss of electrons
Reduction is the gain of electrons.
The substance oxidized is the reducing agent.
The substance reduced is the oxidizing agent.

Here are some hints:
Pb is +4 on the left and +2 on the right.
Cr is +3 on the left and +6 on the right.

Answer 2

I really don't have a clue

Answer 3

You won't get a clue, either, unless you try. I assume you are just trying to get answers and you're not trying to understand how to do them. Most of us volunteers on this board will go way out of our way to help but help is what we give, not freebie answer all day long.

Answer 4

chemistry is my weak subject hence why i am on here to get help.
I have online questions that need answering in a day and im stuck that's the truth.
I have to fnd someone that I might have to pay then looks like it... :(

Answer 5

I suggest that if you are this lost that you get a tutor. Don't wait.

Answer 6

can you not help me?