What Element Is Being Reduced in the Following Redox Reaction

question 110

Multiple Choice

What element is being reduced in the following redox reaction? C₃H₈O₂(aq) + KMnO₄(aq) → C₃H₂O₄K₂(aq) + MnO₂(aq)

• A) C
• B) H
• C) O
• D) K
• E) Mn

---

Definitions:

Conservation

Conservation is a cognitive ability to understand that quantities or properties remain consistent even when their form or appearance changes.

Intuitive Thought

A type of thinking that relies on instinctive processes rather than analytical reasoning.

Centration

A cognitive limitation in early child development, identified by Piaget, where the child focuses on one aspect of a situation, overlooking other relevant aspects.

Basic Cognitive Processes

Processes such as perception, memory, language, problem-solving, and abstract thinking that underlie all human behaviors and learning.