Home
Class 12
CHEMISTRY
Why are halogens coloured ?...

Why are halogens coloured ?

Text Solution

Verified by Experts

Halogens are coloured due to the absorption of radiations in visible region which results in the excitation of outer electrons to higher energy level. Halogens absorb different quanta of radiation andd display different colours.
Promotional Banner

Topper's Solved these Questions

  • P-BLOCK ELEMENTS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE VSAQ - 2 Marks|8 Videos

  • P-BLOCK ELEMENTS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise GROUP - 18 ELEMENTS (VERY SHORT ANSWER QUESTIONS)|23 Videos

  • P-BLOCK ELEMENTS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise GROUP - 16 ELEMENTS (VERY SHORT ANSWER QUESTIONS)|37 Videos

  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE (SAQ - 8 Marks)|15 Videos

  • POLYMERS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise INTEXT QUESTIONS|6 Videos

Similar Questions

Explore conceptually related problems

What are halogens ?

Why are halogens strong oxidising agents?

Why is blood red in colour?

Super halogen is

Super halogen is

Why does the colour of the tea change on addition of lemon juice?

Why does the colour of copper sulphate solution change when an iron nail is dipped in it?

Why are chloroplasts green in colour ?

Vanadium pentoxide is coloured. Why?

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-P-BLOCK ELEMENTS -GROUP - 17 ELEMENTS (VERY SHORT ANSWER QUESTIONS)
  1. What is the use of "ClF"(3) ?

    Text Solution

    |

  2. Write two uses of ClO(2).

    Text Solution

    |

  3. Why are halogens coloured ?

    Text Solution

    |

  4. Write the reaction of F(2) and Cl(2) with water.

    Text Solution

    |

  5. With which neutral molecule, ClO^(-) is isoelectronic ? Is that molecu...

    Text Solution

    |

  6. Arrange the following in the order of the property indicated for each ...

    Text Solution

    |

  7. Arrange the following in the order of the property indicated for each ...

    Text Solution

    |

  8. Arrange the following in the order of the property indicated for each ...

    Text Solution

    |

  9. Electron gain enthalpy of fluorine is less than that of chlorine - exp...

    Text Solution

    |

  10. HF is a liquid while HCl is a gas - explain.

    Text Solution

    |

  11. Bond dissociation enthalpy of F(2) is less than that of Cl(2) - explai...

    Text Solution

    |

  12. Write the formulae of the compounds, in which oxygen has positive oxid...

    Text Solution

    |

  13. What is the use of O(2)F(2) and I(2)O(5) ?

    Text Solution

    |

  14. Write two uses of hydrogen chloride.

    Text Solution

    |

  15. Explain the reactions of Cl(2) with NaOH.

    Text Solution

    |

  16. What happens when Cl(2) reacts with dry slaked lime ?

    Text Solution

    |

  17. Chlorine acts as an oxidizing agent - explain with two examples.

    Text Solution

    |

  18. What is aqua regia ? Write its reaction with gold and platinum.

    Text Solution

    |

  19. How is chlorine manufactured by Deacon's method ?

    Text Solution

    |

  20. Chlorine acts as a bleaching agent only in the presence of moisture - ...

    Text Solution

    |