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Four elements P,Q,R & S have ground stat...

Four elements P,Q,R & S have ground state electronic configuration as:
`{:(P rarr 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(3),Q rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(1)),(R rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(3),S rarr 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(1)):}`
Comment which of the following option represent the correct order of true (T) & false (F) statement I size of `P lt` size of Q II size of `R lt` size of S
III size of `P lt` size of R (appreciable difference) IV size of `Q lt` size of S (appreciable difference)

A

`T T T T`

B

`T T T F`

C

`F F T T`

D

`T T F F`

Text Solution

Verified by Experts

The correct Answer is:
B
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Four elements P,Q,R & S have ground state electronic configuration as: {:(P rarr 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(3),Q rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(1)),(R rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(3),S rarr 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(1)):} Order of IE_(1) values among the following is

Name the element with the following electronic configurations . (a) 1s^(2)2s^(2) 2p^(6) 3s^(2) 3p^(1) (b) 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(1) (c ) 1s^(2) 2s^(1) 2p^(6) 3s^(2) 3p^(6) 3d^( 5) 4s^(1)

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Knowledge Check

  • Four elements P,Q,R & S have ground state electronic configuration as: {:(P rarr 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(3),Q rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(1)),(R rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(3),S rarr 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(1)):} Order of IE_(1) values among the following is

    A
    `P gt R gt Q = S`
    B
    `P lt R lt S lt Q`
    C
    `R gt S gt P gt Q`
    D
    `P gt S gt R gt Q`

  • The element having the electronic configuration 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(2) is :

    A
    a metal
    B
    a nonmetal
    C
    a noble gas
    D
    a metalloid

  • Electronic configuration of X is 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(1) '. It belongs to

    A
    third group and third period
    B
    thirteenth group and third period
    C
    first group and third period
    D
    third group and first period.
    • BANSAL-PERIODIC TABLE-EXERCISE-2
    1. Four elements P,Q,R & S have ground state electronic configuration as:...

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    2. Four elements P,Q,R & S have ground state electronic configuration as:...

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    3. The electron affinity is a ingerent property of the atom and it depend...

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    4. The electron affinity is a ingerent property of the atom and it depend...

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    5. Atoms of metals have only a few electrons in their valence shells whil...

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    6. Atoms of metals have only a few electrons in their valence shells whil...

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    7. Atoms of metals have only a few electrons in their valence shells whil...

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    8. Nature of bond can be predicted on the basis of electronativity of bon...

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    9. Nature of bond can be predicted on the basis of electronativity of bon...

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    10. Nature of bond can be predicted on the basis of electronativity of bon...

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    11. Pauling give method to calculate univalent ion radii by assuming that ...

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    12. Pauling give method to calculate univalent ion radii by assuming that ...

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    13. Pauling give method to calculate univalent ion radii by assuming that ...

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    14. Statement-I : Ca^(2+) and Sc^(3+) are isolectronic but ionic radius of...

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    15. Statement-I : O rarr O^(2-) is associated with energy absorbed but yet...

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    16. Assertion (A) : EA of O is less than that of F but greater than that o...

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    17. Statement-I : Cs and F combines violently to form CsF. Statement-II :...

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    18. Statement-I : Lithium is a better reducing agent than Cs. Statement-...

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    19. Statement-I : IE(3) of Mn is more than IE(3) of Fe. Statement-II : ...

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    20. Statement-I : Fluorine shows maximum oxidising property in a periodic ...

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