Consider the following SN2 reaction, B с D E + Assuming no other changes, what is the effect on the rate, if the concentration of NaN3 is tripled? NaN3 It would triple the rate It would increase the rate six times It would increase four times No effect It would double the rate N3 + NaCl
Catalysis and Enzymatic Reactions
Catalysis is the kind of chemical reaction in which the rate (speed) of a reaction is enhanced by the catalyst which is not consumed during the process of reaction and afterward it is removed when the catalyst is not used to make up the impurity in the product. The enzymatic reaction is the reaction that is catalyzed via enzymes.
Lock And Key Model
The lock-and-key model is used to describe the catalytic enzyme activity, based on the interaction between enzyme and substrate. This model considers the lock as an enzyme and the key as a substrate to explain this model. The concept of how a unique distinct key only can have the access to open a particular lock resembles how the specific substrate can only fit into the particular active site of the enzyme. This is significant in understanding the intermolecular interaction between proteins and plays a vital role in drug interaction.
![**Educational Content: Understanding SN2 Reactions**
**Text:**
Consider the following SN2 reaction:
\[ \text{C}_4\text{H}_9\text{Cl} + \text{NaN}_3 \rightarrow \text{C}_4\text{H}_9\text{N}_3 + \text{NaCl} \]
Assuming no other changes, what is the effect on the reaction rate if the concentration of NaN₃ is tripled?
**Options:**
- A) It would triple the rate
- B) It would increase the rate six times
- C) It would increase four times
- D) It would double the rate
- E) No effect
**Graph/Diagram Explanation:**
The diagram depicts the chemical reaction of an alkyl halide (\(\text{C}_4\text{H}_9\text{Cl}\)) with sodium azide (\(\text{NaN}_3\)) leading to the formation of an alkyl azide (\(\text{C}_4\text{H}_9\text{N}_3\)) and sodium chloride (\(\text{NaCl}\)). Here, the \(\text{Cl}^-\) ion is replaced by the \(\text{N}_3^-\) ion, illustrating a typical bimolecular nucleophilic substitution (SN2) mechanism.
**SN2 Reaction Characteristics:**
- Bimolecular reaction where the rate depends on the concentration of both reactants.
- Rate = k[\(\text{R-X}\)][\(\text{Nucleophile}\)].
- If the concentration of NaN₃ is tripled, the reaction rate will also triple, assuming other conditions remain constant.
The correct answer is **A) It would triple the rate**.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffb787237-32bd-4647-baa5-49b05320a55c%2Fae16e4d7-d0d3-490c-a126-5091b1ad37c0%2Fs0efyq_processed.png&w=3840&q=75)
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