You want to replace all the Br atoms in the following molecule with hydroxy (OH) groups, and you know there are two competing mechanisms by which this reaction can occur: Mechanism 1: A nucleophile can replace the Br atom in a concerted, bimolecular step. Highlight in red the Br atom that would be replaced quickest if the reaction went by this type of mechanism.. Mechanism 2: A nucleophile can replace the Br atom in several steps, the slowest of which is unimolecular. Highlight in blue the Br atom that would be replaced quickest if the reaction went by this type of mechanism. If you would highlight the same Br atom for both mechanisms, highlight it in green instead. Br Br Br X
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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Understanding how the degree of substrate substitution...
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You want to replace all the Br atoms in the following molecule with hydroxy (OH) groups, and you know there are two competing mechanisms by which this
reaction can occur:
Tab
ALEKS - Tiffany Te-L-Peng - L X
Mechanism 1: A nucleophile can replace the Br atom in a concerted, bimolecular step. Highlight in red the Br atom that would be replaced quickest if the
reaction went by this type of mechanism.
Mechanism 2: A nucleophile can replace the Br atom in several steps, the slowest of which is unimolecular. Highlight in blue the Br atom that would be
replaced quickest if the reaction went by this type of mechanism.
If you would highlight the same Br atom for both mechanisms, highlight it in green instead.
Br.
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