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The electronic structure of four element...

The electronic structure of four elements `A,B, C, D` are
(a) `1s^(2)` (b) `1s^(2), 2s^(2), 2p^(2)`
( c) `1s^(2), 2s^(2), 2p^(5)` (d) `1s^(2), 2s^(2) 2p^(6)`
The tendency to form electrovalent bond is largest in

A

A

B

B

C

C

D

D

Text Solution

Verified by Experts

The correct Answer is:
C
Element `C` has electronic structure `1s^(2), 2s^(2), 2p^(5)`, it requires only one electron to complete its octet and it will form anion and so it will form electrovalent bond.
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A2Z-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Section D - Chapter End Test
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  2. if assertion is false but reason is true.

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  3. PCI(5) exists but NCI(5) does not because

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  4. Among the following species, identify the isostuctural pairs NF(3). ...

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  5. The bond order in CO(2)^(2-) ion between C - O is

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  6. The order of dipole moment of the following molecules is

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  7. Which of the following resonating structure of N(2)O is the most contr...

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  8. Number of H-bonds formed by a water molecule is:

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  9. The correct order of decreasing C-O bond length of (1) CO,(II)CO(3)^(2...

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  10. In which of the following the central atom does not use sp^(2) hybrid ...

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  11. The number is S - S bonds in sulphar trioxide times S(3)O(9) is

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  12. Bonds presents in CuSO(4) .5H(2)O is

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  13. From the following which group of elements easily forms cation

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  14. The high folowing points and insolution in orgaints solvents of sulph...

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  15. On analysis ,a certain compound was found to cootains iodine and oxy...

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  16. The acid having O - O bond is

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  17. Which of the following does not have a coordinate bond ?

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  18. Which bond angle theta would result in the maximum dipole moment for t...

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  19. In a polar molecule , the ionic charge is 4.8 xx 10^(-10) esu. If the ...

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  20. If the electron pair forming a bond between two atoms and B is not in ...

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  21. Which of the following have both polar and non-polar bonds?

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