Which process is an oxidation?

A] 2 H+(aq) + CO32-(aq) H2O(l) + CO2(g)
B]Fe3+(aq) Fe2+(aq)
C]2 CrO42-(aq) + 2 H+(aq) Cr2O72-(aq) + H2O(l)
D]Ba2+(aq) + CrO42-(aq) BaCrO4(s)
E]MnO2(s) MnO4-(aq

Question

Which process is an oxidation?

A] 2 H+(aq) + CO32-(aq)   H2O(l) + CO2(g)
B]Fe3+(aq)   Fe2+(aq)
C]2 CrO42-(aq) + 2 H+(aq)   Cr2O72-(aq) + H2O(l)
D]Ba2+(aq) + CrO42-(aq)   BaCrO4(s)
E]MnO2(s)   MnO4-(aq

amistre64 · Answer

the rusty one?

amistre64 · Answer

what do you think of the iron in "B" ?  is that a good possibility?

amistre64 · Answer

chemistry aint my cup o tea

anonymous · Answer

I have no idea. I hate chemistry.

amistre64 · Answer

what do aq g l and s stand for?

anonymous · Answer

aq stands for aqueous solution and s is solid and l i liquid

anonymous · Answer

i think B is a redox reaction though

shadowfiend · Answer

Might also want to try the Chemistry group at http://openstudy.com/groups/Chemistry ;)

anonymous · Answer

huh... i didn't know they had one. Thanks!

shadowfiend · Answer

WE HAVE GROUPS EVERYWHERE!

Hehe. It's fairly new, and we only made it visible without clicking `view all groups' today :)