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ChemistryJEE Main 22 Jan 2026, Shift 2·Q12·MCQ·Easy–moderate

Classification & Periodicity · Ionisation and electron gain enthalpy

Given below are two statements :

Statement-I : C << O << N << F is the correct order in terms of first ionization enthalpy values.

Statement-II : S >> Se >> Te >> Po >> O is the correct order in terms of the magnitude of electron gain enthalpy values.

In the light of the above statements, choose the correct answer from the options given below :

  1. (1)Statement-I is false but Statement-II is true
  2. (2)Both Statement-I and Statement-II are true.
  3. (3)Both Statement-I and Statement-II are false.
  4. (4)Statement-I is true but Statement-II is false.

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