JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Noble Gases Family

  • question_answer
    Which one of the following configuration represents a noble gas [CPMT 1976, 83, 89; BHU 1982; Pb. CET 2000 NCERT 1979; IIT Screening 1993; EAMCET 1993]

    A) \[1{{s}^{2}},\] \[2{{s}^{2}}2{{p}^{6}},\] \[3{{s}^{2}}\]

    B) \[1{{s}^{2}},\] \[2{{s}^{2}}2{{p}^{6}},\] \[3{{s}^{1}}\]

    C) \[1{{s}^{2}},\] \[2{{s}^{2}}2{{p}^{6}}\]

    D) \[1{{s}^{2}},\] \[2{{s}^{2}}2{{p}^{6}},\] \[3{{s}^{2}}3{{p}^{6}},\] \[4{{s}^{2}}\]

    Correct Answer: C

    Solution :

    \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{6}}\,\to \,\text{Neon}\]


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