When alcohol reacts with phosphorous halides it geive____________________?
Correct answer: A. alkyl halides
- A. alkyl halides
- B. alkyl amine
- C. alkanes
- D. alkynes
Explanation
Phosphorus halides such as PCl5, PCl3, and PBr3 replace the hydroxyl group of an alcohol with a halogen, producing an alkyl halide. For example, ethanol reacts with PCl5 to form chloroethane. Students may choose an alkane because the alcohol group is removed, but a halogen atom is introduced rather than hydrogen.
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About Alcohols
Alcohols contain a hydroxyl group attached to a saturated carbon atom and are classified as primary, secondary or tertiary. Their nomenclature, hydrogen bonding, acidity, oxidation, dehydration, reaction with sodium and conversion to haloalkanes are covered, along with the distinction between alcohols and phenols, where the hydroxyl group is attached directly to an aromatic ring.
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