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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2001

  • question_answer
    A element is A. Whose electronic configuration is\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{3}}\]. This element conbined with \[Ca\] and formed a compound. The formula of compound is:

    A)  \[C{{a}_{3}}A\]                                

    B)         \[C{{a}_{3}}{{A}_{2}}\]

    C)         \[C{{a}_{2}}{{A}_{3}}\]                                 

    D)         \[CaA\]

    Correct Answer: B

    Solution :

    Element A whose electronic configuration is \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}},3{{p}^{3}}\] Its make a complex \[C{{a}_{3}}{{A}_{2}}\]


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