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Which of the following represents the co...

Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements O, S, F and Cl?

A

`S lt O lt Cl lt F`

B

`C l lt F lt O lt S`

C

`O lt S lt F lt Cl`

D

`F lt S lt O lt Cl`

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The correct Answer is:
C
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  7. The ionic species having largest size is

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

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  9. Arrange S, P and As in order of increasing ionisation energy.

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  10. The element with the highest first ionization potential is:

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  12. The second electron gain enthalpies (in kJ mol^(-1)) of oxygen and sul...

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  13. The electronic configurations of four elements are given below. Arrang...

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  14. Which of the following processes involves absorption of energy?

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  15. Which of the following represents the correct order of increasing elec...

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  16. The order of electron gain enthalpy (magnitude) of O, S and Se is:

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  17. The outermost electronic configuration of the least reactive element i...

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  18. Which one of the following is incorrect ?

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  19. Pauling 's electronegativity scale is based upon experimental values o...

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  20. Increasing order of electronegativity is

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