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The increasing order of electron affinit...

The increasing order of electron affinity of the electronic configuration of element is :
(I) `1s^(2)2s^(2)2p^(6)3s^(2)3p^(5)`
(II) `1s^(2)2s^(2)2p^(3)`
(III) `1s^(2)2s^(2)2p^(5)`
(I) `1s^(2)2s^(2)2p^(6)3s^(1)`

A

`II lt IV lt III lt I`

B

`I lt II lt III lt IV`

C

`I lt III lt II lt IV`

D

`IV lt III lt II lt I`

Text Solution

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The correct Answer is:
A
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VK JAISWAL-PERIODIC PROPERTIES-Level 1
  1. Arrange N, O and S in order of decreasing electron affinity:

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  2. Among the following configurations, the element which has the highest ...

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  3. The increasing order of electron affinity of the electronic configurat...

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  4. Second electron gain enthalpy:

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  5. The element having very high ionization enthalpy but zero electron aff...

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  6. Which of the following represents correct order of electron affinity?

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  7. The process requiring absorption of energy is:

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  8. The electronegativity of the following elements increases in the order...

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  9. Which of the following order is incorrect?

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  10. Correct expression of "allred and Rochow's " scale is :

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  11. The hydration energy of Mg^(2+) ions is lesser than that of:

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  12. Among the following, which the maximum hydration energy?

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  13. Which of the following is arranged in order of incresing radius?

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  14. Which of the following compounds has a negative enthalpy of solution?

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  15. Amongst sodium halides {NaF,NaCl, NaBr and NaI), NaF has the highest m...

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  16. Among the following oxides, which has the maximum lattice energy?

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  17. Which of the following compounds has a positive enthalpy of solution?

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  18. Born-Haber cycle can be used to estimate:

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  19. Which of the following is different from other three oxides?

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  20. Select the amphoteric substance in the following:

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