Home
Class 12
CHEMISTRY
Which alkali metal do not show photoelec...

Which alkali metal do not show photoelectric effect?

Text Solution

Verified by Experts

Lithium
Promotional Banner

Topper's Solved these Questions

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-A)|33 Videos

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-B)|13 Videos

  • THE S-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Illustration|2 Videos

  • THE P-BLOCK ELEMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment Section-J)|16 Videos

  • THE SOLID STATE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - D) (ASSERTION-REASON TYPE QUESTION)|20 Videos

Similar Questions

Explore conceptually related problems

Which alkali mettal do not show photoelectric effect?

Alkali metals used in photoelectric cells

Which is the correct graphical representation based on photoelectric effect ?

The energy required to remove and electron from the surface of sodium metal is 2. 3 eV . What is the longest wavelength of radiation with which it can shown photoelectric effect ?

Alkali metals show-

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

Statement (A): Alkali metals exhibit photo electric effect when they illuminated with visible light. Statement (B): Photoelectric emission is also like thermionic emission.

The work function of a metal is hv_0 . Light of frequency v falls on this metal. The photoelectric effect will take place only if

Which is the graph with respect to photoelectric effect?

The graph is showing the photocurrent with the applied voltage of a photoelectric effect experiment. Then .

AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
  1. Among potassium and sodium which one is lighter metal?

    Text Solution

    |

  2. What colour is imparted by Rubidium in flame test?

    Text Solution

    |

  3. Which alkali metal do not show photoelectric effect?

    Text Solution

    |

  4. Why are potassium and caesium rather than lithium used in photoelectri...

    Text Solution

    |

  5. What do metal oxides form when they react with water?

    Text Solution

    |

  6. K, Rb and Cs form mainly superoxides.

    Text Solution

    |

  7. Which compound is formed when lithium reacts directly with nitrogen in...

    Text Solution

    |

  8. What is electrode potential?

    Text Solution

    |

  9. If an element has more negative value of electrode potential, then wha...

    Text Solution

    |

  10. Apart from water, alkali metals react with which kind of compounds?

    Text Solution

    |

  11. Mention the important properties of saline hydrides

    Text Solution

    |

  12. Except for lithium, alkali metals form their hydrides at what temperat...

    Text Solution

    |

  13. Why are lithium halides partially covalent ? Explain with examples.

    Text Solution

    |

  14. Among the alkali metals, which element has the highest reducing power...

    Text Solution

    |

  15. If standard electrode potential of an element x is -1.70V and of anoth...

    Text Solution

    |

  16. The alkali metals dissolve in ammonia to give a deep blue solution whi...

    Text Solution

    |

  17. Why is the solution of an alkali metal in ammonia blue?

    Text Solution

    |

  18. The blue coloured solution is diamagnetic or paramagnetic?

    Text Solution

    |

  19. The bronze coloured solution is diamagnetic or paramagnetic?

    Text Solution

    |

  20. What kind of oxides are formed by sodium?

    Text Solution

    |