Problems 6-8 are based on the following reaction Products + Br : O OH (solvent)

Question

Problems 6-8 are based on the following reaction Products + Br : O OH (solvent) 6. Based on the reaction conditions and the structure of the electrophile, the reaction is expected to follow pathway(s). Fill in the blank by selecting the correct option (A) Only SN1 (B) Only SN2 (C) Only E1 (D) Only E2 (E) Both SN1 and E1 (F) Both SN2 and E2 Among the ethers indicated below, identify ALL products obtained in the above reaction. You MAY need to select multiple answers. (Hint: 3 products) 7. OEt OEt OEt 8. If the concentrations of both reactants in this reaction are doubled, the rate of this reaction will (A) Be Doubled (B) Be Tripled (C) Be quadrupled (D) Be reduced to half the original rate (E) Be unaffected

Explanation / Answer

6) Option F is correct

It follows both SN2 and E2 mechanism

Explanation: Ethoxide ion is a strong nucleophile which gives SN2 mechanism and E2 mechanism with secondary alkyl halide.

7) The products are option B, E, F.

Explanation:  Ethoxide ion is a strong nucleophile which gives SN2 mechanism and produces a product with inversion of configuration. elimination reaction will produces more substituted alkene (optionE) as major product and less substituted alkene (option F as minor product.)

8) option A is correct

Explanation: The rate of SN2 reaction depends on concetration of both alkyl halide and nucleophile. As the concentration of both alkyl halide and nucleophile are doubled the rate of reaction doubled.

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