Question
Write a note on the reaction of alcohols with phosphrous trihalides.
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Answer
→ Alcohols react with phosphrous trihalides to give corresponded alkyl halides. This reaction is useful for preparation of alkyl halides from alcohols.
3R-OH + PX3 → 3R-X + H3PO3 (X = Cl, Br)
3R-OH + PX3 → 3R-X + H3PO3 (X = Cl, Br)
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