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Write a method of preparation of phosphi...

Write a method of preparation of phosphine from white phosphorus

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Heating white phosphorus with sodium hydroxide solution in an inert atmosphere of `CO_2P_4+3NaOH+3H_2OtoPH_3+3NaH_2PO_2`
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A N EXCEL PUBLICATION-P-BLOCK ELEMENTS-QUESTION BANK
  1. Some elements in p-block shows allotropy. Write any two uses of inert ...

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  2. What are interhalogen compounds? Write any two examples.

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  3. Write a method of preparation of phosphine from white phosphorus

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  4. Write the. name or formula of oxo acid of chlorine, in which chlorine ...

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  5. Draw the structures of XeO3and XeF6

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  6. Account for the following: NH3acts-as a Lewis base.

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  7. PCl3 fumes in moist air. Give reason.

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  8. Account for the following: Fluorine shows only-1 oxidation state.

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  9. Suggest any two fluorides of Xenon

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  10. Write a method to prepare any one of the above mentioned X Xenon fluor...

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  11. H2S is a gas at ordinary condition, while H2O is liquid. Account for t...

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  12. Account for the following: Noble gases have very low boiling points.

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  13. Ammonia and Nitric acid are two industrially important compounds. Acco...

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  14. Give the structure of the above xenon fluorides. .

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  15. Write a method to prepare any one of the Xenon fluorides

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  16. Nitrogen shows different oxidation states in different oxides. In whic...

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  17. Nitrogen shows .different oxidation states in different oxides. Prepar...

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  18. In which of the following phosphorus is in +1 oxidation state?

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  19. Nitrogen shows .different oxidation states in different oxides. Prepa...

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  20. Nitrogen forms a number of oxides and oxoacids. Which of the following...

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