Home
Class 12
CHEMISTRY
The rule which states that no two electr...

The rule which states that no two electrons can have same value of all the four quantum number is

A

`1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),3d^(4),4s^(2)`

B

`1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),3d^(5),4s^(1)`

C

`1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),4s^(2),4p^(4)`

D

`1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),4s^(2),4p^(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
The electronic configuration of chromium (Z=24) is = `1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),3d^(6),4s^(1)` It is stable configuration .
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • AMMONIA , SULPHUR DIOXIDE, HYDROGEN SULPHIDE AND HYDROGEN CHLORIDE

    ARIHANT PUBLICATION JHARKHAND|Exercise EXAM BOOSTER FOR CRACKING EXAM|77 Videos

  • CATALYSIS

    ARIHANT PUBLICATION JHARKHAND|Exercise EXAM BOOSTER FOR CRACKING EXAM |25 Videos

Similar Questions

Explore conceptually related problems

In the given which principle is stated as “ No two electrons in an atom can have the same set of all four Quantum numbers ‘’

For ant two electrons in an atom, the set of all four quantum numkber can be same

Knowledge Check

  • In a given atom no two electrons can have the same values for all the four quantum numbers. This is called

    A
    Hund's rule
    B
    Aufbau's principle
    C
    Uncertainty principle
    D
    pauli's exclusion principle

  • No two electron can have the same values of ..... quantum numbers.

    A
    one
    B
    two
    C
    three
    D
    four

  • No two electron can have the same values of ..... quantum numbers.

    A
    one
    B
    two
    C
    three
    D
    four

    • Similar Questions

    Explore conceptually related problems

    According to ____ no two electrons in an atom will have all the four quantum numbers ____

    In a given atom, nno two electrons can have the same velue for all the four quantum number. This is called-

    Number of two electron can have the same values of … quantum numbers

    Assertion : An orbital cannot have more than two electrons, moreover, if an orbital has two electrons they must have opposite spins. Reason : No two electrons in an atom can have same set of all the four quantum numbers.

    Assertion : An orbital cannot have more than two electrons, moreover, if an orbital has two electrons they must have opposite spins. Reason : No two electrons in an atom can have same set of all the four quantum numbers.

    Home
    Profile