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JEE Main & Advanced JEE Main Paper (Held On 10 April 2016)

  • question_answer
    Aqueous solution of which salt will not contain ions with the electronic configuration \[1{{s}^{2}}2{{s}^{2}}{{p}^{6}}3{{s}^{2}}3{{p}^{6}}\] ?   JEE Main Online Paper (Held On 10 April 2016)

    A) \[NaCl\]                              

    B) \[Ca{{I}_{2}}\]

    C) \[NaF\]

    D) \[KBr\]

    Correct Answer: C

    Solution :

                    NaF: \[N{{a}^{+}}=1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}\] \[{{F}^{-}}=1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}\]                


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