Chemical Thermodynamics Question 229
Question: The energy evolved is highest for which of the following reactions [MP PET 1994]
Options:
A) $ F+{{e}^{-}}\to {{F}^{-1}} $
B) $ Cl+{{e}^{-}}\to C{{l}^{-}} $
C) $ S+2{{e}^{-}}\to {{S}^{2-}} $
D) $ O+2{{e}^{-}}\to {{O}^{2-}} $
Show Answer
Answer:
Correct Answer: B
Solution:
Due to high electron affinity of Cl the highest energy is evolved.
