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Grade: 12th Pass

                        

Which of the following will have higher ionization enthalpy : Cl - or F - ?Also please explain why.

2 years ago

Answers : (3)

mritunjay mishra
13 Points
							
chlorine will have more higher ionisation enthalpy than flourine because after losing one electron chlorine gets nobel gas slability.
 
2 years ago
Arun
24742 Points
							

correct answer should be-

> Cl > Cl- > F- because

  1. Fluorine is most electronegative element (EN 4)
  2. Chlorine has EN less then fluorine (EN 3.5)
  3. since there is a vacant d-orbital in chlorine, it could hold the extra electrons there.
  4. Fluorine does not have an extra vacant orbital, so it may loose the extra electron easily.
2 years ago
abhishek mishra
51 Points
							
Ionisation energy of Cl- is more than that of F- because addition of an electron to Cl gives more energy than in F so removal from Cl- requires more energy
2 years ago
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