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  3. NEET

NEET AIPMT SOLVED PAPER SCREENING 2005

  • question_answer
                    Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?                                                                                        

    A)                 Cl < F < S < O                     

    B)                 O < S < F < Cl

    C)                 S < O < Cl < F     

    D)                 F < Cl < O < S

    Correct Answer: B

    Solution :

                    The correct order of electron gain enthalpy                 (electron affinity) is       O  <  S  <  F  <  CI                 (electron affinity              O  <  S  <  F  <  CI                 (In eV)                                  1.48   2.07  3.45  3.61


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