Which Species Will Oxidize Cr²⁺ but Not Mn²⁺

question 9

Multiple Choice

Which species will oxidize Cr²⁺ but not Mn²⁺?

• A) Pb⁴⁺
• B) O₃ in acidic medium
• C) Zn²⁺
• D) Fe²⁺
• E) V³⁺

---

Definitions:

Positive Experience

An encounter or event that is enjoyable, satisfying, or beneficial to an individual.

Verbal Persuasion

The act of using spoken words to convince or influence someone to change their beliefs or actions.

Self-efficacy

is the belief in one's own ability to succeed in specific situations or accomplish a task, significantly influencing how one approaches goals, tasks, and challenges.

Task Performance

The execution or accomplishment of a specific work-related activity or objective, often measured against pre-established standards or criteria.