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Which among the following group 15 elem...

Which among the following group 15 element forms most stable pentavalent compound ?

A

Phosphorus

B

Antimony

C

Bismuth

D

Arsenic

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The correct Answer is:
A
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TARGET PUBLICATION-p-BLOCK ELEMENTS-COMPETITIVE THINKING
  1. The element that does not exhibit allotropy is

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  2. Which among the following group 15 element forms most stable pentava...

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  3. Boiling/melting points of the following hydrides follow in order.

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  4. The least stable hydride of 15^(th) group elements is .

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  5. Which element among the following does form ppi-ppi multiple bonds ...

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  6. In case of nitrogen, NCl(3) is possible but not NCl(5) while in case o...

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  7. Ammonium dichromate on heating gives

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  8. Extra pure N2 can be obtained by heating

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  9. Which among the group-15 elements does not exists as tetra atomic mole...

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  10. Excess of ammonia with sodium hypochloride solution in the presence of...

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  11. The product obtained a result of a reaction of nitrogen with CaC(2) is

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  12. Ammonia on reaction with chlorine forms an explosive NCl(3) . What is ...

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  13. The mixture of concentrated HCl and HNO(3) made in 3:1 ratio contains

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  14. The reaction of zinc with dilute and concentrated nitric acid, respect...

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  15. When copper is heated with conc. HNO(3) it produces?

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  16. Brown ring test is used for detection of which radical?

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  17. Which oxide of nitrogen is obtained on heating ammonium nitrate at 250...

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  18. Nitriogen dioxide is released by heating

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  19. Which oxide is colourless and neutral ?

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  20. In which substance does nitrogen exhibit the lowest oxidation state ?

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