Home
Class 11
CHEMISTRY
Explain why Na is less reactive than K?...

Explain why Na is less reactive than K?

Text Solution

Verified by Experts

Ionisation enthalpy of K is less than that of na and hence K is more eletropositivie and reactive.
Promotional Banner

Topper's Solved these Questions

  • THE P-BLOCK ELEMENTS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|81 Videos

  • THERMODYNAMICS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|64 Videos

Similar Questions

Explore conceptually related problems

Explain why is sodium less reactive than potassium.

Why is ICl more reactive than I_2 ?

Assertion: Molecular nitrogen is less reactive than molecular oxygen Reason The bond length of N_2 is shorter than that of O_2

Assertion: Anisole undergoes electrophilic substitution at o-and p-positions. Reason: Anisole is less reactive .than phenol towards electrophilic substitution reactions.

Assertion : Benzaldehyde is less reactive than ethanal towards nucleophilic attack. Reason : All the carbon atoms of benzaldehyde are sp^(2) hybridised.

Chlorobenzene is less reactive that alkyl chlorides towards nucleophilic substitution reactions . Explain the reason for the less reactivity of chlorobenzene.

Assertion: Electron withdrawing groups in aryl halides increase there activity towards nucleophilic substitution. Reason : 2,4-Dinitrochlorobenzene is less reactive than chlorobenzene.

Pyridine is less basic than

A N EXCEL PUBLICATION-THE S-BLOCK ELEMENTS-QUESTION BANK
  1. The group 1 metals of the periodic table of elements are collectively ...

    Text Solution

    |

  2. Find the oxidation state of sodium in Na2O2

    Text Solution

    |

  3. Explain why Na is less reactive than K?

    Text Solution

    |

  4. Compare alkali metals and alkaline earth metals with repect to ionisat...

    Text Solution

    |

  5. Explain why alkali and alkaline earth metals cannot be obtained by che...

    Text Solution

    |

  6. Why are potassium and caesium, rather than lithium used in photoelectr...

    Text Solution

    |

  7. When an alkali metal dissolves in liquid ammonia the solution can acqu...

    Text Solution

    |

  8. Beryllium and magnesium do not give colour to flame whereas other alka...

    Text Solution

    |

  9. Potassium carbonate cannot be prepared by Solvay process. Why?

    Text Solution

    |

  10. Li2CO3 decomposes at a lower temperature whereas Na2CO3 at higher temp...

    Text Solution

    |

  11. Starting with NaCl how would you proceed to prepare Na metal

    Text Solution

    |

  12. Starting with NaCl how would you proceed to prepare Na metal

    Text Solution

    |

  13. Starting with NaCl how would you proceed to prepare Na2O2

    Text Solution

    |

  14. Starting with NaCl how would you proceed to prepare Na2CO3?

    Text Solution

    |

  15. A piece of magnesium is burned in air. What do you observe ?

    Text Solution

    |

  16. What happenes when quick lime is heated with silica

    Text Solution

    |

  17. What happens when slaked lime is treated with dry chlorine?

    Text Solution

    |

  18. What happenes when calcium nitrate is heated?

    Text Solution

    |

  19. Draw the structure of Becl2(vapour)

    Text Solution

    |

  20. Alkali metals and alkaline earth metals belong to the s-block of the p...

    Text Solution

    |