Questions 17-25 refer to reaction types we have learned this semester. Following
ID: 1033486 • Letter: Q
Question
Questions 17-25 refer to reaction types we have learned this semester. Following each statement, choose one of the following four options, each with its own letter choice: a. electrophilic addition b. nucleophilic addition c. alkyl substitution d. elimination e. radical 17. homolytic bond dissociation Its in an increase of entropy 19. the reverse of elimination 20. proceeds via acid-catalyzed or base-catalyzed mechanism 21. SN and SN2 are reaction subtypes 22. hydroboration oxidation is best classified as this type of reaction 23. the carbonyl functional group acts ast this reaction type 24. one electron movement 25. nucleophilic attack cannot occur as a first step that generates an intermediateExplanation / Answer
Answer for 17
Homolytically bond dissociation gives radicals as species.
Answer for 18
In the case of increasing entropy, no. of species should be greater. Thus, elimination will give more species.
Answer for 19
Addition(either nucleophilic or electrophilic) is reverse of elimination.
Answer for 20
In case of acid or base catalysed reaction, alkyl substitution takes place as for example esterification.
Answer for 21
SN1 and SN2 are subtypes of alkyl substitution.
Answer for 22
Hydroboration oxidation is electrophilic addition.
Answer for 23
In case carbonyl group acts as electrophile, nucleophilic addition will take place.
Answer for 24
One electron transfer species are radicals.
Answer for 25
In case if radical, nucleophile cannot attack at first step.
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