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Organic Chemistry

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Ethers

Question
5 out of 8
 

Consider the following synthesis reaction.

Reaction 1

image\28246 ch 25 passage 1.png


The reaction sequence shown in the passage is most likely to be effective if the reaction runs by SN2 mechanism. Which of the following is the best suited alkyl halide to conduct this reaction most efficiently?

A
B
C
D
Ans. A The reaction given in the passage is called Williamson ether synthesis. By looking at the reaction we cannot answer this question. But a clue is given in the question. According to the question the reaction is most effective if it undergoes by SN2 mechanism. Now we have something to hang on to. Since the reaction is mostly effective when undergoing by SN2 mechanism, the alkyl halide most appropriately used must be a primary alkyl halide. The only primary halide among the choices is methyl chloride.

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