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JIPMER Jipmer Medical Solved Paper-1997

  • question_answer
    The value of \[I{{E}_{1}},\,I{{E}_{2}},\,I{{E}_{3}},\,I{{E}_{4}}\] and \[I{{E}_{5}}\] of an element are 7.1, 14.3, 34.5, 46.8 and 162.2 eV respectively. The element is likely to be:

    A)  Na                                        

    B)  Si                           

    C)  F                            

    D)         Ca

    Correct Answer: B

    Solution :

    The values of ionisation energies shows that the element loose 4-electrons easily but not the fifth one. Hence, the element will be silicon, which has 4-electrons in its valence-shell to loose easily.


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