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AIIMS AIIMS Solved Paper-2011

  • question_answer
    A radioactive substance \[_{88}{{X}^{228}}\] (IIA) emits \[3\alpha \] and \[3\beta \]-particles to form Y. To which group of long form of the Periodic Table does Y belong?

    A)  IVA  

    B)            VA        

    C)  VIA   

    D)  VIIA

    Correct Answer: D

    Solution :

    \[\underset{IIA\,group}{\mathop{_{88}{{X}^{228}}}}\,\xrightarrow{{}}\underset{VIIA\,group}{\mathop{_{85}{{Y}^{216}}}}\,+3\alpha +3\beta \]


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