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Which is the most thermodynamically stab...

Which is the most thermodynamically stable allotropic form of phosphorus ?

A

Red

B

White

C

Black

D

Yellow

Text Solution

Verified by Experts

The correct Answer is:
C
The ignition temperature of black phosphorus is highest among all its allotropes, hence is stable.
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DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise
  1. One mole of magnesium nitride on reaction with an excess of water give...

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  2. One mole of calciium phosphide on reaction with excess water gives

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  3. Which is the most thermodynamically stable allotropic form of phosphor...

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  4. The product formed in the reaction of SOCl2 with white phosphorus is

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  5. In case of hydride of oxyge family, which of the following physical pr...

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  6. Which of the following statements is correct:

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  7. it is possible to obtain oxygen from air by fractional distillation be...

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  8. The number of S-S bonds in SO(3), S(2)O(3)^(2-), S(2)O(6)^(2-) and S(2...

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  9. Oleum is

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  10. By passing H(2)S gas in acidified KMnO(4) solution, we get

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  11. Oxidation of thiosulphate by iodine gives

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  12. When PbO(2) reacts with conc. HNO(3) the gas evolved is

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  13. The compound which gives off oxygen on moderate heating is:

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  14. Oxidation state exhibited by sulphur is

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  15. On electrolysis of dilute sulphuric acid using platinum electrodes, th...

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  16. A gas that cannot be collected over water is.

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  17. Sodium thiosulphate is prepared by

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  18. Which of the following is not oxidized by O(3)?

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  19. Which one of the following compounds is a peroxide?

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  20. Sulphur trioxide can be obtained by which of the following reactions:

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