Determine the Rate Law and the Value of K for the Following

question 24

Multiple Choice

Determine the rate law and the value of k for the following reaction using the data provided:
S₂O₈^2-(aq) + 3 I^- (aq) → 2 SO₄^2- (g) + I₃^- (aq) $\quad$ [S₂O₈^2-]_i (M) $\quad$ [I^-]_i (M) Initial Rate (M^-1 s^-1)
$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$ 0.30 $\quad$ $\quad$ 0.42 $\quad$$\quad$$\quad$ 4.54
$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$ 0.44 $\quad$$\quad$ 0.42 $\quad$$\quad$$\quad$ 6.65
$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$ 0.44 $\quad$$\quad$ 0.21 $\quad$$\quad$$\quad$ 3.33

• A)Rate = 120 M^-2 s^-1 [S₂O₈^2-]²[I^-]
• B)Rate = 36 M^-1 s^-1 [S₂O₈^2-][I^-]
• C)Rate = 86 M^-2 s^-1 [S₂O₈^2-][I^-]²
• D)Rate = 195 M^-3 s^-1 [S₂O₈^2-]²[I^-]²
• E)Rate = 23 M^-1/2 s^-1 [S₂O₈^2-][I^-]^1/2

---

Definitions:

Pedophiles

Adults who are sexually attracted to prepubescent children, which is a psychiatric disorder and subject to legal consequences.

Unpredictability

The quality of being unable to be predicted or foreseen, often leading to a sense of uncertainty or variability in outcomes.

Stressful

Characterized by or causing stress or anxiety.

Thalamus

The thalamus is a small structure within the brain that serves as a relay station for information between the rest of the brain and the body, playing a key role in processing sensory information and regulating consciousness.