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The correct order of decreasing first io...

The correct order of decreasing first ionization energy is

A

`C gtB gtBe gt Li`

B

`Cgt Be gtB gtLi`

C

`BgtCgtBegtLi`

D

`BegtLigtBgtC`

Text Solution

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The correct Answer is:
B
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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  2. The first ionization potential of Na,Mg,Al and Si are in the order

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  3. The correct order of decreasing first ionization energy is

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  4. The correct order of electron affinity is

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  5. The correct ordrr of electron affinity among the following is

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  6. The lower electron affinity of fluorine than that of chlorine is due t...

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  7. Electron affinity of inert gases is

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  8. Which of the following has the highest electron affinity?

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  9. The electronegativity follows the order

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  10. Which of the following elements represent highly electropositive as we...

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  11. Electronegativity values for element are useful in predicting :

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  12. Which of the follwing order is wrong?

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  13. Gradual addition of electronic shells in the noble gases cause a decre...

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  14. The cause of diagonal relationship is

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  15. In the periodic table with the increase in atomic number the metallic ...

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  16. The element with the electronic configurations as [Ar]3d^104s^24p^3 re...

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  17. Amongst the following oxides which is least acidic?

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  18. Ewhich of the following is the strongest acid?

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  19. Which is most suitable in water?

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  20. Which of the following is a metalloid?

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