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Which of the following exists in more nu...

Which of the following exists in more number of allotropic forms

A

Nitrogen

B

Bismuth

C

Arsenic

D

Phosphorus

Text Solution

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The correct Answer is:
D
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NARAYNA-15TH GROUP ELEMENTS-Level-I (H.W)
  1. Which of the following is able to form ionic compound

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  2. The percentage of p-character in the orbitals forming p-p bonds in P4 ...

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  3. Which of the following exists in more number of allotropic forms

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  4. Red phosphorous is less soluble and less volatile than white phosphoro...

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  5. In Ba(H(2)PO(2))(2) the oxidation number of phosphorous is

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  6. The oxidation state of nitrogen in hydrazine is

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  7. Match the following : {:(,"Column-I",,"Column-II"),("a)","Laughing g...

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  8. Nitrogen forms N(2) but phosphorus forms P(4) due to

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  9. Which of the following is least stable

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  10. The bond angle decreases from NH(3) to BiH(3) due to

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  11. Which one of the following can more readily donate the lone pair ?

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  12. The most polar compound among the following is :

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  13. Phosphine is not obtained by the reaction

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  14. The correct order of reducing abilites of hydrides of group 15 element...

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  15. Which of the following is most acidic?

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  16. Which of the following is a mixed acid anhydrid

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  17. Which of the following oxides of nitrogen is anhydride of nitric acid ...

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  18. Which one of the following elements does not form the compound, M(4)O(...

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  19. Nitrous oxide is

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  20. N(2)O(4) reacts with water to produce

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