Home
Class 10
CHEMISTRY
Why there is absorption of energy in cer...

Why there is absorption of energy in certain chemical reactions and release of energy in other reactions?

Promotional Banner

Topper's Solved these Questions

  • CARBON AND ITS COMPOUND

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|758 Videos

  • CHEMICAL EQUATION

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|20 Videos

Similar Questions

Explore conceptually related problems

The chemical reaction is

The use of a catalyst in chemical reaction…activation energy of the reaction

The reaction in which heat release

The value of activation energy for a chemical reaction primarily depends on

In exothermic reaction heat energy is-

If some amount of energy is released in a chemical reaction, then it is called ____ reaction.

In a reaction, threshold energy is equal to

The process requiring the absorption of energy is

VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. Write a short note on octet rule with example.

    Text Solution

    |

  2. Why a large amount of energy is needed to remove an electron from a ne...

    Text Solution

    |

  3. Why there is absorption of energy in certain chemical reactions and re...

    Text Solution

    |

  4. Electronic configuration of X is 2, 8, 1 and electronic configuration ...

    Text Solution

    |

  5. Why do valency electrons involve in bond formation , than electrons of...

    Text Solution

    |

  6. Why ionic compounds dissolve in polar solution and covalent compounds ...

    Text Solution

    |

  7. Predict the reasons for low melting point for covalent compounds when ...

    Text Solution

    |

  8. "Covalent compounds have low melting point". What is the reason for th...

    Text Solution

    |

  9. If the electronic configurations of atoms A and B are 1s^2,2s^2, 2p^6,...

    Text Solution

    |

  10. If the electronic configurations of atoms A and B are 3S^2,2S^2, 2P^6,...

    Text Solution

    |

  11. If the electronic configurations of atoms A and B are 1S^2,2S^2, 2P^6,...

    Text Solution

    |

  12. If the electronic configurations of atoms A and B are 1s^2,2s^2, 2p^6,...

    Text Solution

    |

  13. (i) Write the electron-dot structures for sodium, oxygen and magnesium...

    Text Solution

    |

  14. Show in the form of a picture, the formation of Na2O and MgO.

    Text Solution

    |

  15. What is hybridisation?

    Text Solution

    |

  16. What are the important characteristic features of hybridisation?

    Text Solution

    |

  17. Write about VSEPR theory.

    Text Solution

    |

  18. Most important concept of valence bond theory is

    Text Solution

    |

  19. Why do valency electrons involve in bond formation , than electrons of...

    Text Solution

    |

  20. Why do valency electrons involve in bond formation , than electrons of...

    Text Solution

    |