Question

When a redox reaction that takes place in an acidic solution involves an oxygen imbalance, oxygen should be balanced by adding _____ as needed, while hydrogen should be balanced by adding _____.

Answer 1

Balancing redox reactions:

Oxygen should be balanced by adding $H_{2}O$  as needed, while hydrogen should be balanced by adding $H^{+}$.

What is a redox reaction?

Redox reactions, also known as oxidation-reduction reactions, involve the simultaneous oxidation and reduction of two different reactants.

The Half-Equation Method is one technique used to balance redox processes. The equation is divided into two half-equations using this technique: one for oxidation and one for reduction.

By changing the coefficients and adding $H_{2}O$, $H^{+}$, and $e^{-}$ in that order, each reaction is brought into equilibrium:

1. By putting the right number of water ($H_{2}O$) molecules on the other side of the equation, the oxygen atoms are brought into balance.
2. By adding $H^{+}$ ions to the opposing side of the equation, one can balance the hydrogen atoms (including those added in step 2 to balance the oxygen atom).
3. Total the fees for each side. Add enough electrons ($e^{-}$) to the more positive side to make them equal. (As a general rule, $e^{-}$ and  $H^{+}$are nearly always on the same side.)
4. The $e^{-}$ on either side must be made equal; if not, they must be multiplied by the lowest common multiple (LCM) in order to make them equal.
5. One balanced equation is created by adding the two half-equations and canceling out the electrons. Additionally, common terms should be eliminated.
6. Now that the equation has been verified, it can be balanced.

Learn more about redox reaction here,

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