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NEET Sample Paper NEET Sample Test Paper-89

  • question_answer
    The alkaline earth metals Ba, Sr, Ca and Mg may be arranged in the order of their decreasing first ionisation potential as

    A) Mg, Ca, Sr, Ba

    B)        Ca, Sr, Ba, Mg

    C) Sr, Ba, Mg, Ca

    D)        Ba, Mg, Ca, Sr

    Correct Answer: A

    Solution :

    [a] Mg, Ca, Sr, Ba. As the size increases, the ionisation potential decreases.


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