Which of the following is a mechanism for an S_N2 reaction? Which of the followi

Question

Which of the following is a mechanism for an S_N2 reaction? Which of the following is the rate law for the following reaction? A. Rate = k[H_2O] B. Rate = k[H_2O][l-chloro-1-methylcyclohexane] C. Rate = k[1-chloro-1-methylcyclohexane] D. Rate = k[chloride ion] Which of the following substrates is the least reactive in an S_N1 reaction. Which of the following is the product of the following reaction? Which of the following alkyl halides would likely undergo rearrangement during an S_N1 reaction? For the following reaction, which of the following is the product? For the following reaction, which of the following is the product? What reaction mechanism is most likely for substitution on the following compound? A. S_N 1 B. S_N 2 C. Either D. Neither Which of the following compounds will react most rapidly with HCl? A) 5-methyl-1-hexene B)4-methyl-1-hexene C) (E)-5-methyl-2-hexene (E) -2-methyl-3-hexene E)2-methyl-2-hexene Which of the following alkenes yield(s) 3-bromo-3-methylpentane as the major product upon addition of HBr? A) I and II only B) III only C) I, II. and III D) all of them E) none of them

Explanation / Answer

45) option C is correct

Explanation: Sn2 reaction involves a back side attack of nucleophile on carbon atom bearing halide ion.

46) option C is correct

Explanation: Reaction of tertiary alkyl halide with weak nucleophile invovles SN1 mechanism. The rate of SN1 mechanism invovles onyl the ocncentration of alkyl halide.

47) option D is correct

Explanation: -F is the weak leaving group.

48) option D is correct

Explanation: reaction of tertiary alkyl halide with nculeophile gives SN1 substitution reaction and produces substituted product.

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