Consider the following statements:

(A) The principal quantum number ‘n’ is a positive integer with values of ‘n’ = 1, 2, 3,….

(B) The azimuthal quantum number ' l ' for a given ‘n’ (principal quantum number) can have values as   ' l ' = 0 , 1 , 2 , . . . n

(C) Magnetic orbital quantum number ' m l ' for a particular ' l ' (azimuthal quantum number) has ( 2 l + 1 )  values.

(D)  ± 1 / 2 are two possible orientations of electron spin.

(E) For l = 5 , there will be a total of 9 orbitals

Option 1 -

(A), (B) and (C)

Option 2 -

(A), (C), (D) and (E)

Option 3 -

(A), (C) and (D)

Option 4 -

(A), (B), (C) and (D)

0 3 Views | Posted 3 months ago
Asked by Shiksha User

  • 2 Answers

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    3 months ago
    Correct Option - 3


    Detailed Solution:

    Values of principal quantum number, n = 1, 2, 3, .

    Values of azimuthal quantum number,   l = 0 , 1 , 2 . . . . . . . . . . . , n 1

    Number of values of magnetic quantum number are 2 l + 1 .  

    Values of spin quantum number are ± 1 2 .

    Number of orbitals for particular value of l a r e 2 l + 1 , s o f o r l = 5 ,  no. of orbitals = 11.

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    3 months ago
    Correct Option - 3


    Detailed Solution:

    Values of principal quantum number, n = 1, 2, 3, .

    Values of azimuthal quantum number,   l = 0 , 1 , 2 . . . . . . . . . . . , n ? 1

    Number of values of magnetic quantum number are 2 l + 1 .  

    Values of spin quantum number are ± 1 2 .

    Number of orbitals for particular value of l ? ? a r e ? ? 2 l + 1 , ? ? s o ? ? f o r ? ? l = 5 ,  no. of orbitals = 11.

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