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The number of P-O-P bonds in cyclic meta...

The number of P-O-P bonds in cyclic metaphosphoric acid is

A

zero

B

two

C

three

D

four.

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. On heating ammonium dichromate, the gas evolved is

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  2. Gobar gas is made up of-

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  3. The number of P-O-P bonds in cyclic metaphosphoric acid is

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  4. The no of S - S bonds in sulphur trioxide trimer (S3O9) is

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  5. The number of sigma -bonds in P4O10 is

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  6. Which of the following is not true ?

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  7. The oxidation state of sulphur in anion SO3^(2-), S2O4^(2-) and S2O6^(...

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  8. The correct order of acid strength is

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  9. The chemical mixture that forms gun powder is-

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  10. Among the following which is the strongest oxidising agents: Br2, I2, ...

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  11. An explosive called Gun powder has the composition as-

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  12. Sulphur trioxide can be obtained by which of the following reaction?

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  13. Which of the following statements is not valid for oxoacids of phospho...

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  14. When Cl2 gas reacts with hot and concentrated sodium hydroxide solutio...

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  15. Roasting of sulphides gives the gas X as a by-product.This is a colour...

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  16. Which one of the molecule contains no pi-bond?

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  17. Which of the following is a polar molecule?

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  18. Which is the strongest acid in the following:

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  19. Acidity diprotic acids in aqueous solution increases in the order

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  20. What happens when zinc sulphide and barium sulphate react together?

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