why white phosphorous is more reactive than red pho.
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White Phosphorus has tetrahedral basic unit where for Phosphorus atoms arrange at the four corners of a tetrahedron are joined together by a total of 6 single bonds this creates a very highly trained system which is unstable and very reactive red phosphorus has an enormous structure( it means only short range order no long range one)and is therefore a lot more stable and less reactive that is it ignites in air at 240 Deg Celsius whereas white phosphorus for us at 30 Deg Celsius
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Well, the simplest reason is that white phosphorus is a molecular species, whereas its red phosphorus allotrope is NON-MOLECULAR. And white phosphorus is encountered as the P4 molecule, i.e. as a tetrahedron with FOUR triangular faces, and the associated 60.0° angles introduce some degree of ring strain within the molecule. The result? White phosphorus is a very reactive beast, and so reactive that it must be stored under water to prevent its oxidation.
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