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Question

Which of the following statements are correct about the following reactions?
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A
Reaction 1 proceeds by SN2 and reaction 2 by SN1 mechanism
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B
Reaction 1 proceeds by SN1 and reaction 2 by SN2 mechanism
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C
(B)(-) PhOH|CHCH=CHMe

(C) (±) PhCH=CHC|HOHMe
The products (B) and (C) are respectively
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D
(B)(-) PhOH|CHCH=CHMe

(C) (±) PhC|HOHCH=CHMe

The products (B) and (C) are, respectively
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Solution

The correct options are
A Reaction 1 proceeds by SN2 and reaction 2 by SN1 mechanism
C
(B)(-) PhOH|CHCH=CHMe

(C) (±) PhCH=CHC|HOHMe
The products (B) and (C) are respectively

For Reaction 1 :

5N of NaOH is added in PhCHCH=CHMe thus it proceeds through SN2 mechanism
|
OCOR

Thus it produces a (-) product = PhOH|CHCH=CHMe =(B)

For Reaction 2 :
Addition of dip. NaOH makes it follow a SN1 mechanism.

Thus it forms 2 products

(±) PhCH=CHC|HOHMe =(C)



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