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which allotro...

Question

which allotrope of phosphorus is most stable?

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Solution

Hi,

Black phosphorous is most stable allotrope of phosphorous. It is thermodynamically stable at room temperature.

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Q. The most thermodynamically stable allotropic form of phosphorus is_______.

Q. Of the given 3 allotropes of Phosphorus – white, red and black, which is the most stable thermodynamically?

Q. Thermodynamically most stable allotrope of phosphorus is_____

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Δ_{f} H^{o}

for white phosphorus has been taken to be zero, whereas black phosphorus is the most stable allotrope of phosphorus and this is the only exception.

REASON:
The reference standard state of white phosphorus is taken despite the fact that this form is not the most stable allotrope but simply the most reproducible form of phosphorus.

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