Home
Class 12
CHEMISTRY
Why do alkali metals respond to flame te...

Why do alkali metals respond to flame test?

Text Solution

Verified by Experts

this happens because the heat from the falme excites the outermost orbital electron to a higher energy level. When the excited electron comes back to the ground state, there is emission of radiation in the visible region.
Promotional Banner

Topper's Solved these Questions

  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE ENGLISH|Exercise Try yourself|5 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE ENGLISH|Exercise Exercise|40 Videos

  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|5 Videos

Similar Questions

Explore conceptually related problems

The alkali metals

The alkali metals

Why do alkali metals possess low densities?

The alkali metals are soft due to-

The alkali metals are soft due to-

The alkali metals are soft due to-

Why do alkali metal tarnishes in air?

Why do alkali metal tarnishes in air?

Why do alkali metals show characteristic colours in a non luminous flame?

Which alkali metal on flame test given red violet colour

AAKASH INSTITUTE ENGLISH- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. Why do alkali metals respond to flame test?

    Text Solution

    |

  2. Assertion : Boiling point of p-nitrophenol is greater than that of o-n...

    Text Solution

    |

  3. A : When C(2) H(5) - O- CH(3) is reacted with one mole of Hl then C(2...

    Text Solution

    |

  4. A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...

    Text Solution

    |

  5. A : In esterification reaction , HCOOH is the most reactive acid among...

    Text Solution

    |

  6. A : Ethers can't be distilled upto dryness due to fear of explosion . ...

    Text Solution

    |

  7. Phenol is less acidic than........... .

    Text Solution

    |

  8. A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...

    Text Solution

    |

  9. A : Diphenyl ether is prepared by Williamson synthesis . R : This...

    Text Solution

    |

  10. A : Grignard's reagent is prepared in the presence of ether . R :...

    Text Solution

    |

  11. A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...

    Text Solution

    |

  12. A : Two moles of Grignard reagent is consumed in the formation of ter...

    Text Solution

    |

  13. A : bond angle in ether is slightly greater than normal tetrahedral an...

    Text Solution

    |

  14. A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...

    Text Solution

    |

  15. A : Ortho - cresol is weaker acidic than meta-cresol . R : It is d...

    Text Solution

    |

  16. A : Among all ortho halophenol , fluorophenol is least acidic . R ...

    Text Solution

    |

  17. A : In esterification reaction alcohol act as nucleophile . R : ...

    Text Solution

    |

  18. A : Phenol is manufactured by Dow 's pocess. R : It involves the ...

    Text Solution

    |

  19. A : Primary alcohol is prepared by the reaction of primary amine with ...

    Text Solution

    |

  20. A : The reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for ...

    Text Solution

    |

  21. A : The dehydration of ethyl alcohol in presence of Al(2)O(3) at 633 ...

    Text Solution

    |