Home
Class 11
CHEMISTRY
Statement-1 : The ground state configura...

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.

A

Pauli's exclusion principle

B

Aufbau Principle

C

Hund's rule

D

Heisenberg principle

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - I (H. W.) SUBATOMIC PARTICLES|3 Videos

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - I (H. W.) ATOMIC NUMBER & MASS NUMBER|3 Videos

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - I (C. W.) QUANTUM NUMBERS|16 Videos

  • STATES OF MATTER

    NARAYNA|Exercise A & R TYPE QUESTIONS|16 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Assertion- Reason|5 Videos

Similar Questions

Explore conceptually related problems

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

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.

Knowledge Check

  • 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.

    A
    Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.
    B
    Staterment-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.
    C
    Statement-1 is true, statement-2 is false.
    D
    Statement-1 is false, statement-2 is true.

  • Outer configuration of X is 3d^(5)4s^(1) . It belongs to group number

    A
    16
    B
    15
    C
    5
    D
    6

  • Electronic configuration of M^(3+) is [Ar]3d^(10)4s^(2) , it belongs to

    A
    s-block
    B
    p-block
    C
    d-block
    D
    f-block

    • Similar Questions

    Explore conceptually related problems

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

    Element with electronic configuration as [Ar]^(18)3d^(5)4s^(2) is placed in :

    Element in periodix table with electronic configuration as [Ar]^(18)3d^(5)4s^(1) is placed in:

    The electron configuration of the element 'M' is [Ar] 3d^(10) 4s^(2) 4p^(3) . Then 'M' belong to

    the configuration [Ar]3d^(10)4s^(2)4p^(4) is simmilar to that of :

    Home
    Profile