Question

Which is the most thermodynamically stable allotropic form of phosphorus?
1.red
2.white
3.black
4.yellow
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Answer 1

Answer:

red

Explanation:

because it is red and it cannot become any other color

Answer 2

Answer:

Black phosphorus.

Explanation:

Black phosphorus is highest thermodynamically stable form in red black, white and yellow allotropic forms of phosphorus because its ignition temperature is highest. Hence, it is inert and has a layer structure.