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Give the correct order of initials True ...

Give the correct order of initials True (T) or False (F) for following statements.
(I) Number of electrons having l = 0 is 10 in Pd. 
(II) The value of `Z_("eff")` for 3d electron of Cr and 3d electron of Mn is same as number of electron in d sub shell of Cr and Mn are the same.
(III) Multiplicity of Fe is equal to that of `N i^(2+)`.
(IV) Value of lln for last electron of element having atomic number 57 is 0.4.

A

TTTT

B

FTTT

C

TFTF

D

FFFT

Text Solution

Verified by Experts

The correct Answer is:
D
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Number of electrons having l+m=0 in Mn(z=25) is

Calcualate the value of Z_("eff") on 3d electrons of Sc .

Knowledge Check

  • Calculate the value of Z_("eff") for 3d electron of ._(21)Sc .

    A
    `18.69`
    B
    `21.69`
    C
    `3.69`
    D
    `3.00`

  • Maximum number of electrons in a sub-shell with l = 3 and n = 4 is.

    A
    10
    B
    12
    C
    14
    D
    16

  • The Z_(eff) for 3d electron of Cr 4s electron of Cr 3d electron of Cr^(3+) 3s electron of Cr^(3+) are in the order respectively

    A
    4.6,2.95,4.95,8.05
    B
    4.95,2.95,4.6,8.05
    C
    4.6,2.95,5.3,16.55
    D
    none of these

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