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CBSE Class 12-science Answered

what is the use of red phosphoras in some chemical reation?
Asked by gargimoitreyee | 27 Mar, 2018, 10:45: AM
answered-by-expert Expert Answer
The red phosphorous is one of the reactants in the conversion of alcohol to alkyl halide.
the reaction occurs:
 
2 P subscript left parenthesis s right parenthesis end subscript plus 3 X subscript 2 rightwards arrow with blank on top 2 P X subscript 3
The red phosphorous reacts with Bromine to give Phosphorous (III) halide.
Now, Phosphorous (III) halide reacts with the alcohol to give alkyl halide.
 
R minus O H space plus space P X subscript 3 space rightwards arrow with blank on top space R minus X space plus H subscript 3 P O subscript 3
Answered by Ramandeep | 28 Mar, 2018, 09:35: AM

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