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Which of the following are SN^2 reaction...

Which of the following are `SN^2` reactions ?

A

B

`Me_3 C - Br + KOH rarr Me_3 C - OH + KBr`

C

`Et - I + EtONa rarr Et - O - Et + NaI`

D

`Et - Cl + NaOH rarr EtOh + NaCl`

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The correct Answer is:
C, D

`1^@ RX` undergoes `SN^2` reaction.
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SN reaction is given by these compounds, which have a nuclophilic group and a good leaving EWG . It should be stable after leaving with bonding pair of overline(e)'s and it should have high polarisability. Nucliphilic aliphatic substituion reaction is mainly of two types SN^(-1) and SN^(2). SN^(-1) mechanism is a two step process. Reaction velocity of SN^(-1) depends only on the concentration of the subtrate. It proceeds via the formation of carbocation, optically active substrate gives (o+) and (o-) froms of the product. In most of the cases, the product usually consists of 5-20% inverted and (95-80%) racemised species. The more stable is the carbocation, the greater is the propotion of racemission. In solvolysis reaction, the more nucleophillic is the solvent, the greater is the proportion of inversion. Which of the following will give SN reaction?

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SN^(2) reaction is a bimolecular reaction which takes places by the formation of T.S. Veolcity of the reaction depends on the concentration of the substrate as well as the nucleophile. The reaction is favoureed by strong Nu^(o-) and in the presence of polar aprotic sovlent, optically active halides give. Walken inversion by SN^(2) mechanism. The presence of hero group (atom) at beta-C atom, unsaturation at beta-C and (-overset(O)overset(||)(C)-) group at alpha-C atomn favor SN^(2) mechanism. Allyl halides and benzyl halides give SN^(1) and SN^(2) reactions. Allyl halides alos give SN^(2) mechanism EDG at ortho- and para- postions in benzyl halides favors SN^(1) mechanism, wheras EWG favors SN^(2) mechanism. Which of the following will give SN^(1) reaction?

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CENGAGE CHEMISTRY ENGLISH-ORGANIC REACTION MECHANISM-Multiple Correct
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  3. Which of the following are SN^2 reactions ?

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  6. Which of the following statements are correct ?

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  7. Which of the following reactions represents SN reaction ?

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  8. Which of the following reactions are feasible ?

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  9. Which of the following transformations are feasible ?

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  10. In which of the following reactions, the intermediate species acyl nit...

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  11. Which of the following statements are correct ?

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  12. Which of the following is//are the rate determining step (s) of the gi...

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  13. The products in the given reaction are : .

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  14. Which of the following statements are correct about the addition of HB...

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  15. Which of the following statements are correct ?

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  16. In which of the following reactions, rearrangement is possible ?

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  17. Which of the following is an example of nucleophilic addition to aceta...

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  18. In which of the reactions, there is a migration of alkyl group to carb...

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  19. Which of the following statements are correct ?

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  20. Which of the following statements/reactions are correct ?

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