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SN^1 reaction is given by alkylhalide wh...

`SN^1` reaction is given by alkylhalide which forms stable carbocation during reaction. The carbonation, has `sp^2` hybridisation. In `SN^1` reaction, the attack of the nucleophile to carbocation inter mediate is from either side. In `SN^2` reaction the attacking nucleophile attacks from the back leading to the formation of inversion complex. Alcohol reacts with `PCI_5` to give alkyl chloride by an internal attack of nucleophile with in the molecule.
In the following reaction . If R is `H - undersetoverset(|)(D)oversetunderset(|)(CH_3)(C ) - R - OH underset(Py)overset(SOCl_2)(to) R - Cl + SO_2 + HCl`

A

There is no change in configuration

B

The configuration is inverted

C

Racemisation occurs

D

Racemisation with inversion

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The correct Answer is:
B
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