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Which of the following statements is cor...

Which of the following statements is correct?

A

Electron gain enthalpy may be positive for some elements.

B

Second electron gain enthalpy always remains positive for all the elements.

C

`Delta_(eg)H(K^(+)) =- IE (K)`

D

All of these

Text Solution

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The correct Answer is:
D
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RESONANCE-PERIODIC TABLE & PERIODICITY-Exercise
  1. The order of electron gain enthalpy (magnitude) of O, S and Se is:

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  2. Electronic configuratios of four elements A, B, C and D are given belo...

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  3. Which of the following statements is correct?

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  4. Which of the following is affected by the stable electron configuratio...

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  5. The electronegativity values of C, N, O and F on Pauling scale:

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  6. Correct order of electronegativity of N,P,C and Si on Pauling scale is...

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  7. The correct order of electronegativity on Pauling scale is:

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  8. Which of the following is most electronegative element.

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  9. Which of the following is true about the element .(33)As according to ...

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  10. Which of the following contains atomic number of only s-block

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  11. Screening effect is not observed in :

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  12. Which of the following have higher Z(eff) than Fluorine.

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  13. The oxidation number that iron does not exhibit in its common compound...

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  14. Which of the following can show +7 oxidation state?

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  15. Which of following does not exist:

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  16. Elements of which period show maximum inert pair effect:

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  17. When the following five anions are arranged in order of decreasing ion...

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  18. In which of the following compound Mn shows maximum radius?

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  19. Which of the following is the correct order of ionisation energy? (1...

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  20. Considering the elements B, Al, Mg and K, the correct order of their m...

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