Home
Class 12
CHEMISTRY
The number of unpaired valence electron ...

The number of unpaired valence electron s in an atom of phosphorus is :

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
Valence shell electronic configuration of group `15` elements is `np^2 np^3`. Hence, there are `3` unpaired electrons in the valence shell.
Promotional Banner

Topper's Solved these Questions

  • P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Fill In The Blanks)|15 Videos

  • P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (True/False)|20 Videos

  • P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Single Correct)|104 Videos

  • ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Analytical And Descriptive|24 Videos

  • P-BLOCK GROUP 16 ELEMENTS - THE OXYGEN FAMILY

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|10 Videos

Similar Questions

Explore conceptually related problems

The number of unpaired electrons in magnesium atom is

The number of unpaired electrons in magnesium atom is

The number of valence electrons in carbon atom is

The number of unpaired electrons in the scandium atom is

The number of unpaired electrons in Zn^(2+) is

The number of unpaired electron in Ni^(2+) is

The number of unpaired electrons in Zn element is

The number of unpaired electron in Cr^(+2) is

The number of valence electrons in Aluminium is

The number of unpaired electrons in Fe^(3+) ion are

CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Integer)
  1. Nitrogen forms how many oxides

    Text Solution

    |

  2. How many lone pairs are present in nitrogen molecule ?

    Text Solution

    |

  3. The number of unpaired valence electron s in an atom of phosphorus is ...

    Text Solution

    |

  4. How many P-O-P bonds are present in P4 O8 ?

    Text Solution

    |

  5. In solid PCl5 molecule, how many P-Cl bonds are present in the cation ...

    Text Solution

    |

  6. What is the basicity of pyrophosphoric acid ?

    Text Solution

    |

  7. How many sigma-bonds are present in N2 O3 ?

    Text Solution

    |

  8. When excess of ammonia and chlorine react, nitrogen and ammonium chlor...

    Text Solution

    |

  9. What is the atomicity of phosphorous ?

    Text Solution

    |

  10. How many N-O (sigma) bonds are present in N2 O5 ?

    Text Solution

    |

  11. In P4 O10, the number of oxygen atoms bonded to each phosphorus atom i...

    Text Solution

    |

  12. How many unpaired electrons are present in NO molecule ?

    Text Solution

    |

  13. The number of vacant orbitals in the valence shell of phosphorous is .

    Text Solution

    |

  14. How many hydrogen bonds are formed by each H3 PO4 molecule ?

    Text Solution

    |

  15. On hydrolysis, of calcium phosphide, how many moles of phosphine are f...

    Text Solution

    |

  16. How many lone pairs are present in white phosphorous ?

    Text Solution

    |

  17. How many bridging oxygen atoms are present in P(4) O(10) ?

    Text Solution

    |

  18. How many moles of H3 PO4 are obtained on hydrolysis of one mole of P4 ...

    Text Solution

    |

  19. On hydrolysis of magnesium nitride, how many moles of ammonia are prod...

    Text Solution

    |

  20. How many electrons are present in the valence shell of P in PCl3 ?

    Text Solution

    |