Can anyone here can give me 5 REDOX equations?

Question

pls help me..thanks a lot!! ;)

Answer 1

Au3+(aq)  +  I-(aq)   →  Au(s)  +  I2(s)

HNO3(aq) + H3AsO3(aq)   →  NO(g) + H3AsO4(aq) + H2O(l)

Cu(s) + HNO3(aq)   →   Cu(NO3)2(aq) + NO(g) + H2O(l)

NO2(g) + H2(g)   →  NH3(g) + H2O(l)

2NO3− + 10e− + 12 H+ → N2 + 6H2O  

Answer 2

did you hear about google of wikipedia lately?

Check

http://en.wikipedia.org/wiki/Redox

http://www.mpcfaculty.net/mark_bishop/Re...

http://www.chemistry.co.nz/redox_new.htm

Answer 3

The easiest way is just to take two half-reactions, one reduction and one oxidation, and add them together.

Remember LEO-GER: lose electrons= oxidation,

gain electrong = reduction

  Mg--> Mg + 2e-

+ Cu+2 + 2e- --> Cu

----------------------------

#1) Cu+2 + Mg --> Cu + Mg+2

#2) 2MnO4- + 6H+ + 5H2O2 --> 2Mn+2 + 8H2O + 5O2

#3) Cl2 + 2Fe+2 --> 2Cl- + 2Fe+3

#4) 2Fe3+ + Sn2+ -> 2Fe2+ + Sn4+

#5) Zn + 2HCl -> Zn2+ + H2 +2Cl-