3. Which oxidation-reduction reactions are best balanced by the half-reaction method?

A.) covalent reactions
*B.)acid-base reactions
C.) ionic reactions
D.) intermolecular reactions

Thank you.

3. Which oxidation-reduction reactions are best balanced by the half-reaction method? (1 point)

(0 pts) covalent reactions
(0 pts) acid-base reactions
(1 pt) ionic reactions
(0 pts) intermolecular reactions

Clearly it is NOT acid-base reactions!

B is NOT correct.

It's ionic reactions. I used the answer on almost the exact same question and I got it right.

The answer is ionic reactions

To determine which oxidation-reduction reactions are best balanced by the half-reaction method, we need to understand what the half-reaction method is and apply it to different types of reactions.

The half-reaction method is a technique used to balance redox reactions. In a redox reaction, both oxidation (loss of electrons) and reduction (gain of electrons) occur simultaneously. The half-reaction method separates the reaction into two half-reactions, one for oxidation and one for reduction, to balance each individually.

Now, let's analyze the given options:

A.) Covalent reactions: Covalent reactions involve the sharing of electrons between atoms. These reactions do not necessarily have a net change in electron transfer and usually don't involve oxidation or reduction. Therefore, the half-reaction method is not applicable to these reactions.

B.) Acid-base reactions: Acid-base reactions involve the transfer of protons (H+ ions) between reactants, not electrons. Although some acid-base reactions can be redox reactions, the half-reaction method is generally not used to balance them because they do not involve the direct transfer of electrons.

C.) Ionic reactions: Ionic reactions involve the transfer of electrons between ions. These reactions frequently involve redox processes and are often best balanced using the half-reaction method. The half-reaction method allows the balancing of oxidation and reduction half-reactions separately, aiding in the overall balancing of the ionic reaction.

D.) Intermolecular reactions: Intermolecular reactions refer to interactions between molecules. These reactions can vary widely and may involve different types of processes, including redox reactions. The applicability of the half-reaction method depends on the specific type of intermolecular reaction involved.

Based on the options provided, the best answer is B.) Acid-base reactions. Acid-base reactions typically involve the transfer of protons rather than electrons, making the use of the half-reaction method less appropriate.

You have checked B? I agree with that.