Home
Class 12
CHEMISTRY
How is phosphine prepared from calcium p...

How is phosphine prepared from calcium phosphide ?

Text Solution

Verified by Experts

Phosphine is prepared by the action of water or dil HCl on calcium phosphide.
`Ca_(3)P_(2)+6H_(2)Orarr3Ca(OH)_(2)+2PH_(3)`
`Ca_(3)P_(2)+6HClrarr3CaCl_(2)+2PH_(3)`
Promotional Banner

Topper's Solved these Questions

  • THE 'd' - AND 'f' - BLOCK ELEMENTS

    SUBHASH PUBLICATION|Exercise Question and Answer|62 Videos

  • THE SOLID STATE

    SUBHASH PUBLICATION|Exercise PROBLEM SECTION|16 Videos

Similar Questions

Explore conceptually related problems

How is neoprene prepared ?

How is borax prepared from colemanite?

How is terylene prepared from glycol ?

How is wrought iron prepared from cast iron?

How is phosphine prepard in the laboratory?

How is benzene prepared from ethyne?

How is tritium prepared?

How is quick lime prepared?

SUBHASH PUBLICATION-THE 'P'-BLOCK ELEMENTS-EXERCISE
  1. Name the metals which do not react with Conc. HNO(3) give reason.

    Text Solution

    |

  2. Give two differences between white phosphorus and red phosphorus.

    Text Solution

    |

  3. How is phosphine prepared from calcium phosphide ?

    Text Solution

    |

  4. How phosphine is prepared in the laboratory ?

    Text Solution

    |

  5. Show that PH(3) is basic in nature.

    Text Solution

    |

  6. Give reason: PH(3) has lower melting point than NH(3)

    Text Solution

    |

  7. Give reason: Nitrogen is less reactive at room temperature.

    Text Solution

    |

  8. Which allotropic from of phosphorus has discrete tetrahedral P molecul...

    Text Solution

    |

  9. Bond angle in PH4+ is higher that in PH(3). Why?

    Text Solution

    |

  10. Name the acid obtained when PCl(5) undergoes hydrolysis, Give equatio...

    Text Solution

    |

  11. White phosphorous is heated with excess of dry chlorine to get X. X on...

    Text Solution

    |

  12. Are all the five bonds of PCl(5) equivalent ? Justify your answer.

    Text Solution

    |

  13. Write the structure for the following oxoacids of phosphorus. (i) Hy...

    Text Solution

    |

  14. How do you account of the reducing behaviour for H(3)PO(2) ?

    Text Solution

    |

  15. Mention any two reasons for the anomalous behaviour of oxygen.

    Text Solution

    |

  16. H(2)S is less acidic than H(2)Te. Give reason.

    Text Solution

    |

  17. Among the following which one is more acidic ? Give reason. H(2)O,H(...

    Text Solution

    |

  18. Why is H(2)O a liquid and H(2)S a gas?

    Text Solution

    |

  19. Give an example for amphoteric oxide.

    Text Solution

    |

  20. Describe the preparation of Ozonised oxygen with an equation. Name the...

    Text Solution

    |