Which of the Following Chemical Equations Show Oxidation-Reduction Reactions?
1)Mg(s) $\to$

question 49

Multiple Choice

Which of the following chemical equations show oxidation-reduction reactions?
1) Mg(s) + I₂(aq) $\to$ MgI₂(s)
2) Pb(ClO₄) ₂(aq) + 2 KI(aq) $\to$ PbI₂(s) + 2 KClO₄(aq)
3) Fe₂O₃(s) + 3 CO(g) $\to$ 2 Fe(s) + 3 CO₂(g)

• A) 1 only
• B) 2 only
• C) 1 and 2
• D) 1 and 3
• E) 2 and 3

---

Definitions:

Mere Exposure Effect

Repeated exposure to an object results in greater attraction to that object.

Attractive

Qualities or features that make someone or something appealing or desirable.

Reinforcement Model

A theory suggesting that behaviors are learned and repeated based on the rewards or punishments that follow them.

Fletcher

Likely refers to a researcher or theorist in psychology, without additional context it's difficult to specify their contributions.