You perform the reaction, and monitor its progression by TLC every 30 minutes for 3 hours. The lab manual shows the developed TLC for the reaction, with the two starting materials 2,6-dimethylaniline (DMA) and p-nitrobenzylchloride (NBC) spotted in the left most lanes as co-spots. How long does it take for this reaction to reach completion? (A) The reaction has reached completion and should be stopped after 90 minutes B The reaction has reached completion and should be stopped after 120 minutes The reaction has reached completion and should be stopped after 150 minutes (D) The reaction has reached completion and should be stopped after 180 minutes (E) The reaction does not reach completion in 180 minutes and should be left to continue with TLC monitoring
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.
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