Simple Oxdn Redn

2MnO^-₄ + 5 H₂O₂ + 6H⁺ ---> 2Mn²⁺ + 8H₂O + 5O₂

Which of the following r not true ?

A) H₂O₂ is oxidised to O₂

B) H⁺ IS OXIDIZED TO WATER

C)Oxdn no. of Mn changes by 6

D) H₂O₂ is reduced by H₂O

1 Answers

106

Asish Mahapatra ·2009-12-04 00:13:31

oxdn state of Mn in MnO4- is +7 and in Mn2+ is +2
So change = 5

(b) is wrong .. oxidation state of H is not changing

(d) is wrong because H2O2 is reduced to H2O and not by H2O

(a) is correct as O's ON changes from -1 to 0

So, bcd are wrong

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