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.