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  3. CET Karnataka Engineering

CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2005

  • question_answer
    Among \[N{{a}^{+}},\,Na,\,Mg\] and \[M{{g}^{2+}}\], the largest particle is :

    A)  \[M{{g}^{2+}}\]                              

    B)  Mg

    C)  Na                                        

    D) \[N{{a}^{+}}\]  

    Correct Answer: C

    Solution :

    Reason being, as we move in period atomic radii decreases from left to right due to increase of effective nuclear charge \[\therefore \] Na is larger m size then Mg and a neutral atom is larger than its positive km.   


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