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Energy is released in the process of...

Energy is released in the process of

A

`Na_((g))to Na_((g))^(+)+e`

B

`I_((g))^(-)+e to O_((g))^(-2)`

C

`O_((g))+e to O_((g))^(-)`

D

`N_((g))^(-2)+e to N_((g))^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
C
First EA is generally exothermic
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NARAYNA-CLASSIFICATION OF ELEMENTS AND PERIODICITY -C.U.Q
  1. Which of the following species has the highest ionization potential

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  2. The low electron affinity value of nitrogen is due to

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  3. Energy is released in the process of

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  4. Electron affinity values are obtained indirectly by

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  5. Energy is absorbed when a second electron is added to oxygen. This is ...

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  6. The decreasing order of electron affinity of halogen's is

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  7. The electron affinity values (in kJ mol^(-1) ) of three halogens, X, Y...

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  8. For univalent elements, the average value of first ionization potentia...

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  9. The reference element in Paulings scale of Electronegativity is

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  10. Electronegativity is the property related to

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  11. The values that are useful in writing chemical formulae and in calcula...

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  12. Let electronegativity, ionisation energy and electron affinity by repr...

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  13. In which group all the elements do not have same number of valence ele...

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  14. Metal exhibiting higher oxidation state is in which block ?

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  15. Among the following outermost configurations of transitionn metals, wh...

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  16. The less electropositive element is

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  17. Electropositivity is very high for

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  18. The most electropositive element is

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  19. Which one of the following electronic configurations corresponds to ...

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  20. Most metallic element has the following electron arrangement in its at...

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