Balance the equation for a half-reaction that occurs in acidic solution. Use e as the symbol for an electron. bal...

Question

Question

Answer 1

Answer #1

Os in OsO4 has oxidation state of +8

Os in Os has oxidation state of 0

So, Os in OsO4 is reduced to Os

Reduction half cell:

OsO4 + 8e- --> Os

Balance number of electrons to be same in both half reactions

Reduction half cell:

OsO4 + 8e- --> Os

Balance Oxygen by adding water

OsO4 + 8e- --> Os + 4 H2O

Balance Hydrogen by adding H+

OsO4 + 8e- + 8 H+ --> Os + 4 H2O

This is balanced chemical equation in acidic medium

Answer:

OsO₄ + 8e^- + 8 H⁺ -> Os + 4 H₂O

Answer 2

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