Home
Class 11
CHEMISTRY
Statement-I : The ground state configura...

Statement-I : The ground state configuration of Cr is `3d^(5) 4s^(1)`.
Because
Statement-II : A set of exactly half filled orbitals containing parallel spin arrangement provide extra stability.

A

Statement-I is true, Statement-II is true , Statement-II is correct explanation for Statement-I.

B

Statement-I is true, Statement-II is true , Statement-II is NOT a correct explanation for statement-I

C

Statement-I is true, Statement-II is false

D

Statement-I is false, Statement-II is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    ALLEN|Exercise Exercise - 04[A]|51 Videos
  • ATOMIC STRUCTURE

    ALLEN|Exercise Exercise - 04[B]|13 Videos
  • ATOMIC STRUCTURE

    ALLEN|Exercise Exercise - 02|59 Videos
  • IUPAC NOMENCLATURE

    ALLEN|Exercise Exercise - 05(B)|8 Videos

Similar Questions

Explore conceptually related problems

Statement-1 : The ground state configuration of Cr is [Ar] 3d^(5) 4s^(1) Statement-2 : The energy of atom is lessen in 3d^(5)4s^(1) configuration compared to 3d^(1)4s(2) configuration.

Statement-1 : The groundstate configuration of Cr is [Ar] 3d^(5) 4s^(1) Statement-2 : The energy of atom is lesser in 3d^(5)4s^(1) configuration compared to 3d^(4)4s^(2) configuration.

The orbital configuration of ._(24)Cr is 3d^(5) 4s^(1) . The number of unpaired electrons in Cr^(3+) (g) is

Statement-I : The configuration of B atom cannot be 1s^(2) 2s^(3) . Because Statement-II : Hund's rule demands that the configuration should display maximum multiplicity.

Identify the atom which has ground state configuration [Ar]3d^(10)4s^(2)4p^(1)

Statement-I : There are two spherical nodes in 3s-orbital. Because Statement-II : There is no angular node in 3s-orbital.

The configuration of an elements 'X' is 3d^(10)4s^(1) . The wrong statement regarding the element 'X' is

Assertion : The outer electronic configuration of Cr and Cu are 3d^(5) 4s^(1) and 3d^(10) 4s^(1) respectively . Reason : Electrons are filled in orbitals in order of increasing energies given by (n+l) rule.

ALLEN-ATOMIC STRUCTURE-Exercise - 03
  1. Frequancy =f(1), Time period = T, Energy of n^(th) orbit = E(n), radiu...

    Text Solution

    |

  2. {:(,"Column-I",,"Column-II",),((A),"Layman series",(p),"maximum number...

    Text Solution

    |

  3. Statement-I : Nodal plane of p(x) atmoic orbital is yz plane. Becau...

    Text Solution

    |

  4. Statement-I : No two electrons in an atom can have the same values of ...

    Text Solution

    |

  5. Assertion (A) : p orbital is dumb- bell shaped Reason (R ) :Electron...

    Text Solution

    |

  6. Statement-I : The ground state configuration of Cr is 3d^(5) 4s^(1). ...

    Text Solution

    |

  7. Statement-I : Mass numbers of most of the elements are fractional. ...

    Text Solution

    |

  8. Assertion (A) : Limiting line is the balmer series has a wavelength of...

    Text Solution

    |

  9. Assertion (A) : The electronic configuration of nitrogen atom is repre...

    Text Solution

    |

  10. Statement-I : The configuration of B atom cannot be 1s^(2) 2s^(3). ...

    Text Solution

    |

  11. Statement-I : 2p orbitals do not have spherical nodes. Because S...

    Text Solution

    |

  12. Statement-I : In Rutherford's gold foil experiment, very few alpha-par...

    Text Solution

    |

  13. Statement-I : Each electron in an atom has two spin quantum numbers. ...

    Text Solution

    |

  14. Statement-I : There are two spherical nodes in 3s-orbital. Because ...

    Text Solution

    |

  15. Comprehension # 1 Read the following rules and answer the questions ...

    Text Solution

    |

  16. Comprehension # 1 Read the following rules and answer the questions ...

    Text Solution

    |

  17. Comprehension # 1 Read the following rules and answer the questions ...

    Text Solution

    |

  18. Comprehension # 1 Read the following rules and answer the questions ...

    Text Solution

    |

  19. Comprehension # 1 Read the following rules and answer the questions ...

    Text Solution

    |

  20. Comprehension # 1 Read the following rules and answer the questions ...

    Text Solution

    |