Home
Class 12
CHEMISTRY
Why are pentahalides of P, As, Sb and Bi...

Why are pentahalides of P, As, Sb and Bi more covalent than their trihalides ?

Text Solution

Verified by Experts

The central atom in higher oxidation state has greater polarizing power which increases the covalent character of the bond between central atom and the surrounding atoms.
Promotional Banner

Topper's Solved these Questions

  • THE P-BLOCK ELEMENTS

    KUMAR PRAKASHAN|Exercise SECTION-C TEXTUAL EXERCISE|40 Videos

  • THE P-BLOCK ELEMENTS

    KUMAR PRAKASHAN|Exercise SECTION -D (NCERT EXEMPLAR SOLUTION) (MULTIPLE CHOICE QUESTIONS (MCQS))|27 Videos

  • THE P-BLOCK ELEMENTS

    KUMAR PRAKASHAN|Exercise SELF- PRACTICE QUESTIONS (GIVE REASONS FOR THE FOLLOWING):|14 Videos

  • THE D-AND F-BLOCK ELMENTS

    KUMAR PRAKASHAN|Exercise Section -E MCQs asked in GUJCET/Board Exams)|50 Videos

  • THE SOLID STATE

    KUMAR PRAKASHAN|Exercise SECTION - E (MULTIPLE CHOICE QUESTIONS)(MCQs ASKED IN BOARD EXAMS)|35 Videos

Similar Questions

Explore conceptually related problems

Why is an echo weaker than the original sound ?

Why water is more elastic than air ?

The speed of sound waves is more in water than that in atr.

Why is reuse better than recycling of materials ?

Explain why is hot soup more testy than the colder one ?

KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION-B (INTEXT QUESTIONS AND ANSWERS)
  1. Why are pentahalides of P, As, Sb and Bi more covalent than their trih...

    Text Solution

    |

  2. Why is BiH3 the strongest reducing agent amongst all the hydrides of G...

    Text Solution

    |

  3. Why is N2 less reactive at room temperature ?

    Text Solution

    |

  4. Mention the conditions required to maximise the yield of ammonia.

    Text Solution

    |

  5. How does ammonia react with a solution of Cu^(2+)?

    Text Solution

    |

  6. What is the covalence of nitrogen in N(2)O(5) ?

    Text Solution

    |

  7. (a) Bond angle in PH4 is higher than that in PH3. Why ? (b) What is ...

    Text Solution

    |

  8. What happens when white phosphorus is heated with concentrated NaOH so...

    Text Solution

    |

  9. What happens when PCl5 is heated ?

    Text Solution

    |

  10. Write a balanced equation for the reaction of PCl5 with water.

    Text Solution

    |

  11. What is the basicity of H(3)PO(3) is heated?

    Text Solution

    |

  12. What happens when H3PO(3) is heated ?

    Text Solution

    |

  13. List the important sources of sulphur.

    Text Solution

    |

  14. Write the order of thermal stability of the hydrides of Group-16 eleme...

    Text Solution

    |

  15. Why is H2O a liquid and H2S a gas ?

    Text Solution

    |

  16. Which of the following does not react with oxygen directly ? Zn, Ti, P...

    Text Solution

    |

  17. Complete the following reactions : (i) C(2)H(4) + O(2) to (ii) 4Al...

    Text Solution

    |

  18. Why does O(3) act as a powerful oxidising agent ?

    Text Solution

    |

  19. How is O(3) estimated quantitatively ?

    Text Solution

    |

  20. What happens when sulphur dioxide is passed through an aqueous solutio...

    Text Solution

    |