Manipal Medical Manipal Medical Solved Paper-2015

  • question_answer
    Which one of the following atoms will have largest size?

    A) Ca                                             

    B) Na    

    C) Mg                                            

    D) Be

    Correct Answer: A

    Solution :

    Atomic size increased down the group and decreases in period from left to right. So, calcium (Ca) is largest size. \[\because \]                        \[pH=2\] \[\therefore \]                         \[[{{H}^{+}}]={{10}^{-2}}\]


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