Question

write the balanced chemical equation for reaction between H2O and mno4 in acidic and basic medium​

Answer 1

Explanation:

Answer

MnO

4

−

+Br

−

→Mn

2+

+Br

2

(a) First half reaction;

M

+7

nO

4

−

→

M

+2

n

2+

To balance oxygen atoms, H

2

O is added on right side,

MnO

4

−

→Mn

2+

+4H

2

O

(b) To balance hydrogen, H+ ions are added to left side

MnO

4

−

+8H

+

→5e

−

→Mn

2+

+4