Home
Class 11
CHEMISTRY
Alkali metals give coloue in Bunsen flam...

Alkali metals give coloue in Bunsen flame due to :

A

Low electrongativeit

B

One electron in outer most orbit

C

Smaller atomic radii

D

Low ionisation energy

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • S-BLOCK ELEMENTS

    NARAYNA|Exercise MULTIPLE ANSWER TYPE QUESTIONS|17 Videos

  • S-BLOCK ELEMENTS

    NARAYNA|Exercise COMPREHENSION TYPE QUESTIONS|6 Videos

  • S-BLOCK ELEMENTS

    NARAYNA|Exercise NCER BASED QUESTIONS|10 Videos

  • REDOX REACTION

    NARAYNA|Exercise Exercise -4|114 Videos

  • SOLID STATE

    NARAYNA|Exercise LEVEL-V|122 Videos

Similar Questions

Explore conceptually related problems

Alkali metals impart colour to Bunsen flame due to

Assertion : Alkali metal salts give colour to the Bunsen flame . Reasoning : This is due to excitation of valence shell electrons of sodium ions from lower to higher orbitals

The salt of alkali metal gives violet colour in the flame test. Its aqueous solution gives a white precipitate with barium chloride in hydrochloric acid medium. The salt is

The salt of an alkali metal gives yellow colour in the flame test. Also its aqueous solution gives an insoluble white precipitate with barium chloride in acidic medium. The salt is

Alkali metals are not found in free state due to their highly reactive nature. This is due to

The metal ions impart colour of the flame due to:

The metal ions impart colour of the flame due to:

NARAYNA-S-BLOCK ELEMENTS-Level V-(ONLY ONE ANSWER CORRECT )
  1. The hottest region of Bunsen flame shown in the figure given below is

    Text Solution

    |

  2. Which of the following increases in magnitude as the atomic number of ...

    Text Solution

    |

  3. Alkali metals give coloue in Bunsen flame due to :

    Text Solution

    |

  4. Which of the following about solution lf alkali metals in lioquid ammo...

    Text Solution

    |

  5. Select the incorrect statement :

    Text Solution

    |

  6. Consider the following statements, S(1) : Alkali metals are never fo...

    Text Solution

    |

  7. Which of the following has the highest reactivity towards water?

    Text Solution

    |

  8. Sodium burns in dry air to give :

    Text Solution

    |

  9. Alkali metals are characterised by

    Text Solution

    |

  10. In view of their low ionisation energies, the alkali metals are

    Text Solution

    |

  11. Carbon can be oxidised to C(2) while heating its powder with :

    Text Solution

    |

  12. What happens when sodium metal is heated in axcess of dry air containi...

    Text Solution

    |

  13. Solution of K(2)O in water in basic, because it contains a significant...

    Text Solution

    |

  14. Which of the following oxides is formed when potassium metal is burnt ...

    Text Solution

    |

  15. On commercial scale, sodium hydroxide is prepared by :

    Text Solution

    |

  16. Which of the following gives sodium hydroxide along with hydrogen gas ...

    Text Solution

    |

  17. Sodium when heated in air at 350^(@)C forms compound X.X obsorbs CO(2)...

    Text Solution

    |

  18. When ionic nitrides react with water, the products are :

    Text Solution

    |

  19. Low solubility of CsI in water is due to :

    Text Solution

    |

  20. Select the correct statement.

    Text Solution

    |