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JEE Main20244 Apr 2024Morning ShiftChemistryClassification of Elements and Periodicity in PropertiesActual

The correct order of first ionization enthalpy values of the following elements is : (A) ( O ) (B) ( N ) (C) ( Be ) (D) ( F ) (E) ( B ) Choose the correct answer from the options given below :

Options

  1. AE ( < ) C ( < ) A ( < ) B ( < ) D
  2. BC ( < ) E ( < ) A ( < ) B ( < ) D
  3. CB ( < ) D ( < ) C ( < ) E ( < ) A
  4. DA ( < ) B ( < ) D ( < ) C ( < ) E

Correct answer

A. E ( < ) C ( < ) A ( < ) B ( < ) D

Step-by-step solution

Correct order of I ^ st IE

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