Consider following figures and answer the questions 1-5 In following picture substititution reaction is depicted. Nu stands for nucleophile and LG stands for leaving group. One example is CH₂Cl can react with OH to form CH3OH and Ch. In this CI is leaving group and OH is nucleophile.
1.how many steps are there for above reaction?
a)single step
b)two step
c) complex reaction having multiple steps
2.which among the following will determine reactivity order of above reaction?
a. Carbocation stability
b. Carbanion stability c. Free radical stability
c. Steric hinderin
d.Steric hinderance
3. What will happen to configuration of the reactant in above reaction?
a. Configuration is retained b. b.Configuration is inverted
c. Both inverted product and retained products are formed.
d. None of the above
4.Suppose we need to change the mechanism of above through carbocation intermediate, What can be done?
a. Use polar solvent.
b. Change the substrate to tertiary halo alkane
c. Use weak nuclcophile.
d. All the above
5. Suppose we increased the concentration of nucleophile after making the change or changes mentioned in question number 3, What will happen to rate a Rate increases
a.rate increases
b. Rate remains same.
c.Rate decreases
d. Cannot be predicted
PLEASE ANSWER THESE QUESTIONS
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mcq no 1 is c no 2 is c and 3 is a 4 is d and five is b
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