pBlock ElementsII 1 Question 24

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24. Which of the following isomers of phosphorus is thermodynamically most stable?

======= ####24. Which of the following isomers of phosphorus is thermodynamically most stable?

3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed (a) Red

(b) White

(c) Black

(d) Yellow

(2005, 1M)

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Solution:

  1. Black phosphorus is thermodynamically most stable allotrope of phosphorus.

It is due to three dimensional, network structure of polymeric black phosphorus.