The Rate Constant of the Reaction Cl + CHCl₃ $\to$ HCl + CCl₃ Is 5

question 21

Multiple Choice

The rate constant of the reaction Cl + CHCl₃ $\to$ HCl + CCl₃ is 5.8 $\times$ 10⁷ M^-1s^-1 at 25°C and has an activation energy of 11.0 kJ/mol. Calculate the rate constant for this reaction in the lower stratosphere where the temperature is -57°C.

• A)1.1 \(\times\) 10⁷ M^-1 s^-1
• B)4.2 \(\times\) 10⁷ M^-1 s^-1
• C)4.9 \(\times\) 10⁹ M^-1 s^-1
• D)9.5 \(\times\) 10⁶ M^-1 s^-1
• E)2.7 \(\times\) 10⁹ M^-1 s^-1

---

Definitions:

Type 2 Diabetes

A chronic condition that affects the way the body processes blood sugar (glucose), characterized by insulin resistance.

Hyperglycemia

A condition characterized by an excessive amount of glucose in the bloodstream, often associated with diabetes mellitus.

Phospholipase C

An enzyme that plays a key role in cell signaling processes by hydrolyzing phospholipids to produce inositol triphosphate (IP3) and diacylglycerol (DAG), important secondary messengers.

Protein Kinase C

an enzyme that modifies other proteins by chemically adding phosphate groups to them, important in various cellular processes.