Alkyl Halides - Result Question 17

####17. The major product obtained in the following reaction is

C6H5BrC6H5ΔtBuOK

(2017 Main)

(a) (±)C6H5CH(OtBu)CH2C6H5

(b) C6H5CH=CHC6H5

(c) (+)C6H5CH(OtBu)CH2C6H5

(d) ()C6H5CH(OtBu)CH2C6H5

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Answer:

Correct Answer: 17. (b)

Solution:

  1. An alkyl halide in presence of a bulkier base removes a proton from a carbon adjacent to the carbon bonded to the halogen. This reaction is called E2 ( β-elimination reaction).



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