CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2004

  • question_answer
    The correct set of quantum numbers (n, I and m respectively) for the unpaired electron of chlorine atom is:

    A)  \[2,1,0\]             

    B)         \[2,1,1\]

    C)  \[3,1,1\]             

    D)         \[3,2,1\]

    E)  \[3,2,-1\]

    Correct Answer: C

    Solution :

    For chlorine atom, electronic configuration \[=1{{s}^{2}},2{{s}^{2}},2{{p}^{6}},3{{s}^{2}},3{{p}^{5}}\] For \[3{{p}^{5}},\] \[n=3,l=1,m=-1,0,+1\]


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