Home
Class 11
CHEMISTRY
The alkali metal which emits a light of ...

The alkali metal which emits a light of longest wavelength in the flame test is-

A

Na

B

K

C

Cs

D

Li

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT (MORE THAN ONE CORRECT TYPE)|30 Videos

  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT-TYPE QUESTIONS)|40 Videos

  • s-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTION BANK|38 Videos

  • REDOX REACTIONS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|4 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET|13 Videos

Similar Questions

Explore conceptually related problems

The alkali metal which emits a light of shortest wave-length in the flame test is

Which is sensitive to longer wavelengths of light

The work function (phi) of some metal is listed below. The number of metals which will show photoelectric effect when light of 300 nm wavelength falls on the metal is :

Which one can’t be indetifled by flame test:

Which of the following do not respond to flame test -

When a certain metal was irradiated with a light of 8.1xx10^16 Hz frequency the photoelectron emitted had 1.5 times the kinetic energy as did the photoelectrons emitted when the same metal was irradiated with light 5.8xx10^16 Hz frequency if the same metal is irradiated with light 3.846 nm wavelength what will be the kinetic energy of the photoelectron emitted?

The alkali metal for which photoelectric effect is maximum is -

Which alkali metal ion has the highest polarising power?

Which alkali metal acts as the strongest reducing agent in aqueous solution?

Above the threshold wavelength for a metal surface, even a light of low intensity can emit photoelctrons. Is the statement true?

CHHAYA PUBLICATION-s-BLOCK ELEMENTS -MCQ HOTSPOT (SINGLE CORRECT TYPE)
  1. When a compound A is heated, it produces a colourless gas and the resi...

    Text Solution

    |

  2. When metals A and B are heated in air, A only forms oxide but B forms ...

    Text Solution

    |

  3. The alkali metal which emits a light of longest wavelength in the flam...

    Text Solution

    |

  4. The compound which does not form a double salt is-

    Text Solution

    |

  5. The decreasing order of stability of the chloride salts of alkali meta...

    Text Solution

    |

  6. The affinity of sodium for water is used for drying

    Text Solution

    |

  7. The ions present in an anhydrous mixture of potassium fluoride and hyd...

    Text Solution

    |

  8. The correct order of covalent character in the following compounds is-

    Text Solution

    |

  9. A chemical compound A is used for the recovery of ammonia during prepa...

    Text Solution

    |

  10. The compound used for drying neutral or basic gases is-

    Text Solution

    |

  11. Which of the following compounds does not contain calcium carbonate-

    Text Solution

    |

  12. The compound which on thermal decomposition produces a basic and an ac...

    Text Solution

    |

  13. Which of the following oxides does not react with water

    Text Solution

    |

  14. Which of the following carbonates is soluble in water -

    Text Solution

    |

  15. The compound whose aqueous solution is called 'baryta water' is-

    Text Solution

    |

  16. The alkali metal which emits a light of shortest wave-length in the fl...

    Text Solution

    |

  17. The correct order of ionic mobility of the following ions in their aqu...

    Text Solution

    |

  18. Which of the following compounds is not used for storing or immersing ...

    Text Solution

    |

  19. Which of the following compounds is paramagnetic

    Text Solution

    |

  20. KO2 is used in oxygen cylinders that are used for submarines and space...

    Text Solution

    |