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Grade 12Organic Chemistry

What is the use of red phosphorus in hvz reaction ???????

Profile image of PRANJAL PANDEY
9 Years agoGrade 12
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2 Answers

Profile image of sambit
9 Years ago
hvz reaction is mono bromination or mono chlorination.bromine is formed only at alpha position only where as chlorine is formed mainly at alpha position.red phosphorous is used as catalyst to activate reaction.
Profile image of Umakant biswal
9 Years ago
@ pranjal 
in hell volard zelinsky reaction , red phosphorous will react vigrously with bromine to give phosphorous tribromide . 
so, red phosphorous is used as a reagent here , and also it will initiate the reaction . 
HOPE IT CLEARS 
ALL THE BEST ..

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