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If the electron configuration of an elem...

If the electron configuration of an element is `1s^(2), 2s^(2), 2p^(6), 3s^(2), 3p^(2), 3d^(2), 4s^(2)`, the four electrons involved in chemical bond formation will be

A

`3p^(6)`

B

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

C

`3p^(6), 3d^(2)`

D

`3d^(2) , 4s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
In transition elements ,i.e. d-block elements , electrons of ns ans (n-1) d subshells take part in bond
formation.
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PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-NCERT EXAMPLAR PROBLEMS (MULTIPLE CHOICE QUESTIONS -I)
  1. The types of hybrid orbitals of nitrogen in NO(2)^(+),NO(3)^(-) and NH...

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  2. Hydrogen bonds are formed in many compounds e.g. H(2)O, HF, NH(3). The...

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  3. In PO(4)^(3-) ion, the formal charge on the oxygen atom of P-O bond...

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  4. In NO(3)^(-) ion, the number of bond pairs and lone pairs of electrons...

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  5. Which of the following species has tetrahedral geometry?

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  6. Number of pi bonds and sigma bonds in the following structer is

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  7. Which molecule/ion out of the following does not contain unpaired elec...

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  8. In which of the following molecule/ion all the bonds are not equal?

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  9. In which of the following substance will hydrogen bond be strongest...

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  10. If the electron configuration of an element is 1s^(2), 2s^(2), 2p^(6),...

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  11. Which of the following angle corresponds to sp hydridisation ?

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  12. The electronic configurations of three elements, A,B are C are give...

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  13. The electronic configuration ofhte elements. A, B and C are given belo...

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  14. The electronic configuration ofhte elements. A, B and C are given belo...

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  15. The electronic configurations of three elements, A,B are C are give...

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  16. Which of the following order of energies of molecular orbitals of N(2...

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  17. Which of the following statement is not correct from the view point of...

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  18. Which of the following options represents the correct bond order ?

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  19. The electronic configuration of the outer most shell of the most elect...

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  20. Amongst the following elements whose electronic configuration are ...

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