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The least stable in amongst the followin...

The least stable in amongst the following is :

A

`Li^(-)`

B

`Be^(-)`

C

`B^(-)`

D

`C^(-)`

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The correct Answer is:
B
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GRB PUBLICATION-PERIODIC TABLE-D. Electron Gain Enthalpy (Electron Affinity)
  1. Which one of the following statements is correct?

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  2. Electron affinity of first element in which of the following pairs is ...

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  3. The least stable in amongst the following is :

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  4. In which of the following arrangements the order is NOT according to t...

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  5. Electron gain enthalpy is positive when:

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  6. Following are the values of the electron gain enthalpy (in kJ mol^(-1)...

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  7. Electron addition would be easier in:

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  8. The electron affinities of N,O,S and CI are such that:

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  9. Consider the following statements. Statement-1: Fluorine does not fo...

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  10. In which of the following process, maximum amount of energy involved?

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  11. The increasing order of electron affinity is

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  12. Which of the following has least first electron affinity ?

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  13. Which of the following processes is endoergic in nature?

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  14. Which of the following is not the correct arrangement according to the...

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  15. Electronic configuration of four elements p,q,r and s are given below ...

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  16. Among halogens, the correct order of amount of energy released in elec...

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  17. The first ionisation potential of Na is 5.1eV. The value of eectrons g...

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  18. The incorrect statement is :

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  19. Which of the following atom has towest negative electron gain enthalpy...

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  20. Which of the following series correctly match relationship between ele...

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