Home
Class 12
CHEMISTRY
Assertion : The covalency of carbon is f...

Assertion : The covalency of carbon is four in excited state.
Reason : The four half-filled pure orbitals of carbon form same kind of bonds with an atom as those are with hybridised orbitals.

A

If assertion is true but the reason is false

B

If assertion is false but reason is true

C

IF both assertion and reason are true and the reason is the correct explanation of assertion

D

If both assertion and reason are true but reason is not the correct explanation of assertion

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING (BASIC)

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|54 Videos

  • CHEMICAL BONDING (BASIC)

    VK JAISWAL|Exercise Level 2|62 Videos

  • CHEMICAL BONDING (BASIC)

    VK JAISWAL|Exercise MATCH THE COLUMN|25 Videos

  • CHEMICAL BONDING (ADVANCED)

    VK JAISWAL|Exercise SUBJECTIVE PROBLEMS|72 Videos

  • CO-ORDINATION COMPOUNDS

    VK JAISWAL|Exercise ASSERTION-REASON TYPE QUESTIONS|26 Videos

Similar Questions

Explore conceptually related problems

The unique property of carbon atom to form covalent bonds with other carbon atoms

Assertion (A) : Maximum covalency of carbon si foure . Reason (R) : Carnon ahs no d-orbitals in its valence shell .

When carbon is bonded to four other atoms or groups it uses ________ hybrid orbitals.

The no of pure atomic orbitals at each carbon in graphite are

Assertion: Graphite is an element. Reason: Element is the pure form of a substance containing same kind of atoms.

In hydrogen atom, energy of first excited state is - 3.4 eV . Then, KE of the same orbit of hydrogen atom is.

Assertion : In formaldehyde all the four atoms lie in one plane. Reason : Carbonyl carbon forms a pi -bond with oxygen by overlapping of p -orbitals.

Assertion :A molecule of Buckminsterfullerene exhibita aromatic character. Reason :All the carbon atom undergo sp^(2) hybridisation. Each carbon atom atomic three sigma bonds with other three carbon atom. The remaining electron at each carbon is delocalised in molecular orbitals.

VK JAISWAL-CHEMICAL BONDING (BASIC)-ASSERTION-REASON TYPE QUESTIONS
  1. Assertion : All diatomic molecules with polar bond have dipole moment....

    Text Solution

    |

  2. Assertion : Water is a good solvent for ionic compounds but poor one...

    Text Solution

    |

  3. Assertion : Xe-atom in XeF(2) assumes sp-hybrid state. Reason : XeF(...

    Text Solution

    |

  4. Assertion : The atoms in a covalent molecule are said to share el...

    Text Solution

    |

  5. Assertion : C Cl(4) is a non-polar molecule. Reason : C Cl(4) has p...

    Text Solution

    |

  6. Assertion : Geometry of IC l(3) is tetrahedral. Reason : Its shape i...

    Text Solution

    |

  7. Assertion : The covalency of carbon is four in excited state. Reason...

    Text Solution

    |

  8. Assertion : The shape of XeF(4) is square- planar. Reason : In an oc...

    Text Solution

    |

  9. Assertion : Multiple bond between two bonded atoms can have more than ...

    Text Solution

    |

  10. Assertion : 2^(nd) period elements do not involve in excitation of ele...

    Text Solution

    |

  11. Assertion : In SO(3) molecule bond dissociation energy of all S=O bond...

    Text Solution

    |

  12. Assertion : PH(4)^(+) ion is having tetrahedron geometry. Reason : P...

    Text Solution

    |

  13. Assertion : All diatomic molecules with polar bond have dipole moment....

    Text Solution

    |

  14. Assertion : Water is a good solvent for ionic compounds but poor one...

    Text Solution

    |

  15. Assertion : Xe-atom in XeF(2) assumes sp-hybrid state. Reason : XeF(...

    Text Solution

    |

  16. Assertion : The atoms in a covalent molecule are said to share el...

    Text Solution

    |

  17. Assertion : C Cl(4) is a non-polar molecule. Reason : C Cl(4) has p...

    Text Solution

    |

  18. Assertion : Geometry of IC l(3) is tetrahedral. Reason : Its shape i...

    Text Solution

    |

  19. Assertion : The covalency of carbon is four in excited state. Reason...

    Text Solution

    |

  20. Assertion : The shape of XeF(4) is square- planar. Reason : In an oc...

    Text Solution

    |