Redox Reaction Subtopic Half Reaction Method 01 Ques6

Question: Which of the following is true about the number of electrons in the oxidation and reduction half-reactions?

Options:

A) They are always equal

B) The oxidation half-reaction always has more electrons

C) The reduction half-reaction always has more electrons

D) They are never equal

Show Answer

Answer: a

Explanation:

A) Correct. The number of electrons lost in oxidation must equal those gained in reduction.

B) This is not always true; electron numbers must balance between half-reactions.

C) This is not always true; electron numbers must balance between half-reactions.

D) They are always equal to maintain overall charge balance.