3. Which experimental conditions would maximize the yield of choloroethane and minimize the production of polychlorinated products during the free radical chlorination of ethane? B. use an excess of chlorine A. equimolar amounts of chlorine & ethane C. excess of ethane D. excess of chlorine & long reaction time E. equimolar amounts of chlorine & ethane and high reaction temperature
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.
![3. Which experimental conditions would maximize the yield of choloroethane and
minimize the production of polychlorinated products during the free radical chlorination of
ethane?
A. equimolar amounts of chlorine & ethane
C. excess of ethane
B. use an excess of chlorine
D. excess of chlorine & long reaction time
E. equimolar amounts of chlorine & ethane and high reaction temperature
4. How many different dichlorinated propane constitutional isomers are possible ?
A. 3
B. 4
C. 5
D. 6
E. 7
5. Which of these steps is most responsible for the tertiary selectivity of free radical
bromination of alkanes?
A. initiation
B. termination
C. ionization
D. hydrogen abstraction
E. halogen abstraction
6. Which radical is most stable?
A. CH₂CH₂CH₂CH3
C. CH₂CHCHCH3
D. CH₂CH₂CHCH₂
B. CHCHCH₂CH3
E. CH₂CH₂CH(CH3)2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc9986bc7-1968-4354-964e-5f42db134dd5%2Fa1d58673-64bf-46f4-a982-bc002b2e55bd%2F8wbpt_processed.jpeg&w=3840&q=75)
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