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With reference to 1^(st) IP which are co...

With reference to `1^(st) IP` which are correct.
(a) `Li lt C` (b) `O lt N` (c ) `Be lt N lt Ne`

A

`a, b` only

B

`b,c` only

C

`a, c` only

D

`a,b & c`

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The correct Answer is:
D
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RESONANCE-PERIODIC TABLE & PERIODICITY-Advanced Level Problems
  1. The atomic number of V,Cr, Mn and Fe are respectively 23,24,25 and 26....

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  2. For which of the following species 2^(nd) IE lt 1^(st) IE

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  3. With reference to 1^(st) IP which are correct. (a) Li lt C (b) O lt ...

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  4. Values of 1^(st) four ionisation energies (kJ//mol) of an element are ...

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  5. Which one of the following statement is correct?

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  6. For magnitude of eletron gain enthalpy of chalocogens and halogens, wh...

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  7. The correct order of electron gain enthalpy (most endothermic first an...

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  8. N(0)//2 atoms of X(g) are converted into X^(+) (g) by energy E(1) . N(...

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  9. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

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  10. The prperties which are not common to both groups 1 and 17 elements in...

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  11. The correct set of decreasing order of electronegativity is:

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  12. Which of the following is most electronegative in p-block elements

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  13. Which set does not show correct matching ?

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  14. In which element shielding effect is not possible ?

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  15. Elements of which block in modern periodic table cannot have-ve oxidat...

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  16. Which of following ions do not exist togther in aqueous solution:

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  17. Select correct statement (s):

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  18. Which of the following is the correct order of ionisation enthalpy ?

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  19. Which is true statement(s)?

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  20. Which of the following statement is wrong for the d-block elements?

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