Q.

Consider the half reaction, MnO4-→OH-MnO2, Number of water molecules involved in the balanced half reaction is/are

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a

1

b

2

c

3

d

4

answer is B.

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Detailed Solution

MnO4-→MnO2+2H2O ; MnO4-+4H2O→MnO2+2H2O+4OH- ; MnO4-+2H2O+3e-→MnO2+4OH- ;
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