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What is the basicity of orthophosphorus ...

What is the basicity of orthophosphorus acid?

A

One

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Two

C

Three

D

Four

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Electronic configuration of only one p-block element is exceptional. O...

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

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  3. What is the basicity of orthophosphorus acid?

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  4. Which of the following does not have S-S bond?

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  5. Complete the following statement- Sources of vitamin A are-

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  6. In the solid state PCl5 exists as

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  7. The acid in which O - O bonding is present, is

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  8. The most abundant noble gas in atmosphere is argon / helium.

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  9. What is the highest oxidation state exhibited by group 17 elements?

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  10. The element that does NOT form acidic oxide is:

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  11. Which one of the following group 16 element does not exist in -2 oxida...

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  12. Thermal decomposition of ammonium dichromate gives

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  13. The property which is not true about fluorine is

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  14. Which is true regarding nitrogen?

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  15. The shape of XeF6 is

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  16. Which blue liquids obtained on reacting equimolar amounts of two gases...

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  17. Which of the following contains maximum number of lone pairs of electr...

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  18. The reaction of P4 with X leads selectively to P4O6. The X is

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  19. Extra pure N2 can be obtained by heating

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  20. The reaction of white phosphorus with aqueous NaOH gives phosphine alo...

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