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For C,N,O and F, which of the following ...

For `C,N,O and F`, which of the following orders is correct for `IP`?

A

`FgtOgtCgtN`

B

`OgtFgtNgtC`

C

`FgtNgtOgtC`

D

`NgtFgtOgtC`

Text Solution

Verified by Experts

The correct Answer is:
C
On moving left to right in period due to increase in `ENC` ionisation potential increase. But `N` has half-filled p-subshell (stable) so it has more ionisation potential than oxygen.
`:. F gt N gt O gt C`.
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Knowledge Check

  • Which of the following order of IP is incorrect

    A
    `Na^(+)gtMg^(+)`
    B
    `Mg^(+2)gtMg^(+)`
    C
    `HegtLi^(+)`
    D
    `BegtB`

  • Which of the following is not correct for N_2O?

    A
    It is called laughing gas
    B
    It is nitrous oxide
    C
    It is not a linear molecule
    D
    It is least reactive in all oxides of nitrogen

  • Which of the following is not correct for N_(2)O ?

    A
    It is called laughing gas
    B
    It is nitrous oxide
    C
    It is not a linear molecule
    D
    It is least reactive in all oxides of nitrogen
    • A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Ionisation Energy
    1. For C,N,O and F, which of the following orders is correct for IP?

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    2. The correct order of reactivity of halogens is

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    3. The first ionisation potential in electron volts of nitrogen and oxyge...

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    4. The atomic number of vanadium (V), chromium (Cr), manganese (Mn) and i...

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    5. Which of the following has the highest first ionisation energy?

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    6. The first ionisation potential of Na,Mg,Al and Si are in the order

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    7. Which among the following elements have the lowest value of IE(1)?

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    8. Which of the following elements will have the lowest first ionisation ...

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    9. Fluorine is the best oxidising agent because it has

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    10. The ionisation energy of nitrogen is more than that of oxygen because

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    11. Which of correct about ionisation potential?

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    12. The formation of the oxide ion O(g)^(2-) requires first an exothermic ...

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    13. Mg and Li are similar in their properties due to

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    14. Maximum I.E. Is for

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    15. Order of first ionisation potentials of elements Li,Be,B, Na is

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    16. A sudden jump- between the values of second and third ionisation energ...

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    17. A neutral atom will have the lowest ionisation potential when its elec...

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    18. Which of the following is incorrect?

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    19. The process requiring the absorption of energy is

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    20. Which of the following sequence regarding the first ionisation potenti...

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