Explain - why is Red Phosphorus more stable than white phosphorus?
Which one of the following allotrope of Phosphorus conducts electricity:
1. White P
2. Red P
3. Black P
4. Violet P
n.b. White is sometimes mentioned in problems (especially qualitative analysis) as yellow phosphorus, so don't be confused.
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1 Answers
11) dude, Red P is thermodynamically more stable thn WHITE P. i.e. when white P is heated to higher
temperature ( 2500C ) , then red P is formed. so, its obvious dat white P is unstable , thus it splits
to form a stable red P. Moreover, red P is a polymeric form, thus less reactive than white P.
2) Its perhaps black P. As it hs structure similar to graphite. thus, the layers are slippery which allows
electron delocalisation in between these P- layers. thus, valence electrons are free to move and its a good
conductor.
