Answer the Following Questions That Refer to the Unbalanced Reaction $\rightarrow$

question 78

Multiple Choice

Answer the following questions that refer to the unbalanced reaction shown below as it occurs in acidic solution:
_______ Cr₂O₇^2- (aq) + _______ I^-(aq) $\rightarrow$ _______ Cr³⁺(aq) + _______ I₂(s)
-Determine the coefficient for the iodide ions.

• A) 1
• B) 2
• C) 3
• D) 6
• E) 7

---

Definitions:

Transform Boundary

A plate boundary in which two tectonic plates move horizontally past one another.

Oceanic Divergent Boundary

A tectonic plate boundary where two oceanic plates are moving apart, leading to the creation of new sea floor through volcanic activity.

Convergent Boundary

A plate-tectonic boundary in which two plates move toward (converge) relative to one another.

Continental Collision

A tectonic process where two continental plates converge, often resulting in mountain building due to the compression and uplift of land masses.