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Which of the following contains P - O - ...

Which of the following contains P - O - P bond ?

A

(a) Hypophosphorous acid

B

(b) Phosphorus acid

C

(c) Pyrophosphoric acid

D

(d) Orthophosphoric acid

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Write method of preparation of H2SO4 acid by Contact process.

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  2. Sulphur trioxide gas when dissolved in H2SO4, the product obtained is

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  3. Which of the following contains P - O - P bond ?

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  4. NO2 is not obtained on heating

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  5. The order of basic strength of hydrides of the group -15 elements is ...

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  6. Which of the following is most easily hydrolysed amongst the following...

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  7. Select the wrong statement:

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  8. The graph of inverse trigonometric function can be obtained from the g...

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  9. H2S is a gas while H2O is liquid at room temperature·? Why ?

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  10. Fill in the blanks:

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  11. The same quantity of electrical charge that deposited 0.583g of silver...

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  12. For the function f(x)=x cos ""1/x, x ge 1 which one of the following i...

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  13. The statement that is not correct is

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  14. Which of the following compounds is most acidic

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  15. Which one of the following statements is incorrect?

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  16. Phenol reacts with bromine in CS2, to give:

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  17. Electronic configuration of only one p-block element is exceptional. O...

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

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  19. What is the basicity of orthophosphorus acid?

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

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