JEE Main & Advanced JEE Main Paper Phase-I (Held on 07-1-2020 Evening)

  • question_answer
    Within each pair of elements F & Cl, S & Se, and Li & Na, respectively, the elements that release more energy upon an electron gain are:                                   [JEE MAIN Held on 07-01-2020 Evening]

    A) F, S and Li

    B) F, Se and Na

    C) Cl, S and Li

    D) Cl, Se and Na

    Correct Answer: C

    Solution :

    [c] Order of energy released upon electron gain F < Cl S > Se Li > Na

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