Question

In the given change, MnoMn+2, there is transfer of
electrons __________.​

Answer 1

Answer:

Given reaction:

MnO

4

−

→MnO

2

Calculate the oxidation state of reactant and product as

Let the oxidation number of Mn be 'x'.

Oxidation number of O=−2.

in MnO

4

−

: x+4×(−2)=−1

x=−1+8 or x=+7

in MnO

2

: x+2×(−2)=0

x−4=0 or x=+4

Therefore Change in oxidation number = 7-4=3

The number of electrons involved in the conversion of MnO

4

−

to MnO

2

is 3.

Explanation:

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