In the photobromination of cinnamic acid, using radiation at 420 nm with an intensity of 1.4 x 10 3 Js" and 70% light absorption in a liter of solution for a period of 15 min the concentration of Br, decreased by 0.075 mol.L:1 during this period. What is the quantum yield of the product formation?
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.
. In the photobromination of cinnamic acid, using radiation at 420 nm with an intensity of 1.4 x 10 3 Js" and 70% light absorption in a liter of solution for a period of 15 min the concentration of Br, decreased by 0.075 mol.L:1 during this period. What is the quantum yield of the product formation?
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