Which of the following is not the correct order for the stated propert – InterviewSolution

InterviewSolution

1.	Which of the following is not the correct order for the stated property?
Answer» `Ba gt Sr gt Mg`, atomic radius `F gt O gt N` : first ionization ENTHALPY `Cl gt F gt I`, electron affinity `O gt SE gt Te`, electronegativity Solution :On moving along the period, ionization enthalpy increases. In SECOND period, the order of ionization enthalpy should be as follows : `FgtOgtN` But N has half- FILLED structure, therefore, it is more stable than O. That.s why its ionization enthalpy is higher than O. Thus, the correct order of IE is `FgtNgtO`.

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