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Grade: 12th Pass
        
Which of the following will have higher ionization enthalpy : Cl- or F- ?Also please explain why.
one year 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.
 
one year ago
Arun
22545 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.
one year 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
one year ago
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