Question

How many electrons should be added to balance the following oxidation half-reaction, H2O2 arrow 2 H+ + O2?
Answer

None

One

Two

Four

Answer 1

This is the last one I'm not quite sure about.

Answer 2

I'm torn between none and two.

Answer 3

@Abmon98

Answer 4

not quite sure..
the reading's rather thin...online course, and even the teacher doesn't really like how they're teaching things, but it takes forever to send an email and get a response

Answer 5

H2O2-->2H++O2+2e-
because there 2 hydrogens present we balanced it by adding two electrons. i am not sure

Answer 6

yeah, I selected two, but I'm not sure either.
*Sigh* I guess I'll have my friend's dad, the chemical engineer look over the quiz before submission...don't really want to bother him though, he's already pretty busy
Thanks for your help!! You were very helpful - I'm pretty sure those other two answers are right. :D :D

Answer 7

*engineer, to

Answer 8

that would be a great idea, your most welcome :D