Home
Class 12
CHEMISTRY
Iodine is violet coloured. Why?...

Iodine is violet coloured. Why?

Text Solution

Verified by Experts

Iodine is a bigger molecule , in which the valence electrons are not held very strong by the nuclei in the molecule .It absorbs low energy orange -red radiation of visible light and reflects its complimentary colour . Hence iodine is violet coloured .
Promotional Banner

Topper's Solved these Questions

  • VII GROUP ELEMENTS

    AAKASH SERIES|Exercise SUBJECTIVE EXERCISE -1 (Long answer questions)|3 Videos

  • VII GROUP ELEMENTS

    AAKASH SERIES|Exercise SUBJECTIVE EXERCISE -1(Short answer questions )|8 Videos

  • VIA GROUP ELEMENTS

    AAKASH SERIES|Exercise PRACTICE SHEET - 5 ( Integer answer type Questions)|6 Videos

  • VIIA GROUP ELEMENTS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|58 Videos

Similar Questions

Explore conceptually related problems

(A): lodine appears in violet colour. (R): Iodine absorbsviolet part of electro magnetic radiation .

Vanadium pentoxide is coloured. Why?

Which of the following acid produces violet colour with FeCl_(3) solution ?

Iodine imparts brown colour to

The range of wavelengths converging red colour to violet colour is called the _______

(A) Starch gives blue colour with iodine. (R) Starch form complex with iodine, which is blue in colour.

AAKASH SERIES-VII GROUP ELEMENTS-OBJECTIVE EXERCISE -4
  1. Iodine is violet coloured. Why?

    Text Solution

    |

  2. (A): The bond dissociation energy of fluorine is less than bromine. ...

    Text Solution

    |

  3. (A): Reaction given below is possible 2KCI + Br2 to Cl(2) + 2KBr (...

    Text Solution

    |

  4. (A): Electron affinity of fluorine is lower than that of chlorine (R...

    Text Solution

    |

  5. (A): Cl - O bond length decreases from CIO^(-) to ClO(4)^(-) (R): CI...

    Text Solution

    |

  6. (A): Bromine does not displace chlorine from its salt solution (R): ...

    Text Solution

    |

  7. (A) : lodine is the only halogen that is naturally available in positi...

    Text Solution

    |

  8. (A) : Chlorine acts as a bleaching agent in the presence of moisture ...

    Text Solution

    |

  9. (A): HBr is stronger acid than HI. (R) : Bromine is more electronega...

    Text Solution

    |

  10. (A): Iodine displaces bromine from KBrO3 (R): Iodine is strong oxidi...

    Text Solution

    |

  11. (A) OX^(-) on heating in the presence of OH^(-) gives X^(-)andXO(3)^(-...

    Text Solution

    |

  12. (A) : Chlorine is gas, bromine is liquid and iodine is solid (R) : I...

    Text Solution

    |

  13. (A): Hydrogen iodide is most stable among hydrogen halides (R): Iodi...

    Text Solution

    |

  14. (A): Oxidation ability increases from HOCI to HCIO4 (R): Oxidation n...

    Text Solution

    |

  15. (A) Aqueous fluoride on electrolysis at inertanode liberates oxygen ...

    Text Solution

    |

  16. (A): Fluorine does not form oxyacids (R): Electronegativity of fluor...

    Text Solution

    |

  17. (A): lodine appears in violet colour. (R): Iodine absorbsviolet part...

    Text Solution

    |

  18. (A) :Among hydrogen halides, hydrogen fluoride is least volatile. (R...

    Text Solution

    |

  19. (A) HClO is stronger acid than HBrO (R ) Greater is the electronegat...

    Text Solution

    |

  20. (A) : Fluorine is the best oxidising agent (R ) SRP is highest for F...

    Text Solution

    |

  21. OF^(-) does not exist , though HOF is known (R ) HOF molecule does n...

    Text Solution

    |