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Periodic Table and Periodicity · 2019 · 9 Jan · Shift 2

1 Chemistry questions from this JEE Main paper
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Periodic Table and Periodicity · 2019 · 9 Jan · Shift 2

1 Chemistry questions from this JEE Main paper

  1. Q14.When the first electron gain enthalpy (Δeg​H) of oxygen is − 141 kJ/mol, its second electron gain enthalpy is :
    Chemistry · Periodic Table and Periodicity · MCQ