Examine the Following Reaction: 5FeCl₂(aq)+ KMnO₄(aq)+ 8HCl(aq)→ 5FeCl₃(aq)+ MnCl₂(aq)+ KCl(aq)

question 52

Multiple Choice

Examine the following reaction: 5FeCl₂(aq) + KMnO₄(aq) + 8HCl(aq) → 5FeCl₃(aq) + MnCl₂(aq) + KCl(aq) + 4H₂O(l) Which element has undergone oxidation?

• A)Fe
• B)H
• C)Cl
• D)O
• E)Mn

---

Definitions:

Experimental Method

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Independent Variable

The variable in an experiment that is manipulated to observe its effect on a dependent variable.

Positive Correlation Coefficient

A statistical measure indicating that as one variable increases, the other variable tends to increase as well.

Covary

Refers to the phenomenon where two variables change in relation to each other, often used in statistical analysis to understand correlations.