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Predict the stereochemistry of the product …

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Predict the stereochemistry of the product formed if an optically active alkyl halide undergoes substitution reaction by SN1 mechanism. 2. Name the instrument used for measuring the angle by which the plane polarised light is rotated. 3. Predict the major product formed when 2-Bromopentane reacts with alcoholic KOH. 4. Give one use of CHI3 . 5. Write the structures of the products formed when anisole is treated with HI
  • 1 answers

Gaurav Seth 4 years, 1 month ago

1. 

Racemisation occurs in case of SN1 reaction.

Explanation:

  • SN1 is the process of substitution reaction where there is a carbocation formation and then a nucleophilic attack on that carbocation to form a product.
  • The SN1 reaction intermediate is a carbocation.
  • Now a carbocation is a sp2 hybrid structure which is planar.
  • So the nucleophile can attack from any side of the plane.
  • So the product that is formed is a mixture of both the stereoisomers.
  • So the product is a racemic mixture.
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