Home
Class 12
CHEMISTRY
PCl5 and PH3 exist but PH5 does not beca...

`PCl_5` and `PH_3` exist but `PH_5` does not because

A

`PH_5 `is unstable

B

Phosphorous has no vacant orbitals

C

Phosphorous exists as `P_4`

D

Electro negativity of hydrogen is less as compared to chlorine to excite electron from p orbital to dorbital for bond formation

Text Solution

Verified by Experts

The correct Answer is:
D
Electro negativity of hydrogen is less as compared to chlorine to excite electron from p orbital to dorbital for bond formation
Promotional Banner

Topper's Solved these Questions

  • P-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL-III|50 Videos

  • P-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL-I|50 Videos

  • NUCLEAR CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Linked Comprehension Type) |11 Videos

  • POLYMERS, BIOMOLECULES AND CHEMISTRY IN EVERYDAY LIFE

    BRILLIANT PUBLICATION|Exercise LEVEL -III (Comprehension Type) |12 Videos

Similar Questions

Explore conceptually related problems

The incorrect statements among the following is I. NCl_(5) does not exist while PCl_(5) does II. Lead prefers to form tetravalent compounds III . The three C-O bonds are not equal in the carbonate ion IV Both O_(2)^(+) and NO are paramagnetic

PCl_5 is kept in well stoppered bottles because

Assertion : Both PCl_(5) and BrF_(5) molecules have identical shape. Reason : P in PCl_(5) and Br in BrF_(5) are in same hybridisation.

Ethanol when reacted with PCl_5 gives A, POCl_3 and HCl. A reacts with AgNO_2 to form B as major product and AgCl . A and B respectively are?

Why does NH3 form hydrogen bond but 'PH3 does not?

BRILLIANT PUBLICATION-P-BLOCK ELEMENTS-LEVEL-II
  1. Which one of the following halide does not hydrolyse

    Text Solution

    |

  2. Following tests are shown by (i) Decolourisation of acidified soln....

    Text Solution

    |

  3. PCl5 and PH3 exist but PH5 does not because

    Text Solution

    |

  4. Holme's signals produce burning gases which serve as a signal to the a...

    Text Solution

    |

  5. If phosphorous acid is allowed to react with excess of KOH, the produc...

    Text Solution

    |

  6. When NH4 OH is added to copper sulphate solution, blue colour is obtai...

    Text Solution

    |

  7. The number of P-O-P and P-OH bonds present respectively in pyrophospho...

    Text Solution

    |

  8. When ammonia is heated with CO2 under pressure, the product is

    Text Solution

    |

  9. White phosphorus reacts with caustic soda. The products are PH3 and Na...

    Text Solution

    |

  10. Nitrogen molecule is chemically less active because of its

    Text Solution

    |

  11. PCl5 is kept in well stoppered bottles because

    Text Solution

    |

  12. The BCl3 is a planar molecule whereas NCl3 is pyramidal because

    Text Solution

    |

  13. Hydrolysis of NCl3 gives NH3 and X. Which of the following is X?

    Text Solution

    |

  14. Atoms in P4 molcule of white phosphorus are arranged regularly in the ...

    Text Solution

    |

  15. One mole of H3PO3 on reaction with excess of NaOH gives:

    Text Solution

    |

  16. If O2 is removed from the formula of anhydride of HNO2, their the form...

    Text Solution

    |

  17. Which of the following is correct?

    Text Solution

    |

  18. The oxyacid of phosphorus in which phosphorus has the lowest oxidation...

    Text Solution

    |

  19. How many peroxy linkages are present in pyrophosphric acid?

    Text Solution

    |

  20. Which of the following options are true (T) and which are false (F) ? ...

    Text Solution

    |