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Which of the following has the highest f...

Which of the following has the highest first ionisation energy?

A

`Li`

B

`Be`

C

`B`

D

`C`

Text Solution

Verified by Experts

The correct Answer is:
D
The ionisatin energy of `Li,Be,B` and `C` is `520,899,801,1086 kJ//mol` respectively hence, carbon has the highest `IE_(1)`.
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A2Z-CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES-Ionisation Energy
  1. The first ionisation potential in electron volts of nitrogen and oxyge...

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

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

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

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

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

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  7. Fluorine is the best oxidising agent because it has

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

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  9. Which of correct about ionisation potential?

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

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

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  12. Maximum I.E. Is for

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

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

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

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  16. Which of the following is incorrect?

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  17. The process requiring the absorption of energy is

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

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  19. The element with highest value of ionisation potential is

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  20. In halogens, with increase of atomic number where habit is found

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