Classification Of Elements And Periodicity In Properties Ques 233
Question: The process requiring the absorption of energy is [Roorkee 1990]
Options:
A) $ F\to {{F}^{-}} $
B) $ Cl\to C{{l}^{-}} $
C) $ O\to {{O}^{2-}} $
D) $ H\to {{H}^{-}} $
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Answer:
Correct Answer: C
Solution:
The second I.E. is greater than first I.E. similarly second E.A. is greater than first E.A. the energy is to be supplied to force the second $ {{e}^{-}} $ into the anion.