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How cholroethane is prepared from ethano...

How cholroethane is prepared from ethanol ?

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Haloalkanes are prepared from alcohols by replacement of hydroxyl group with halogen. In this alcohols are reacted with halogen acids, phosphorus halides or thionyl chloride.
` ROH +HX overset(ZnCl_2)to R-X +H_2 O`
` 3ROH +PX_3 to 3R -X +H_3 PO_3 `[ X may be any halogen ]
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