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JCECE Engineering JCECE Engineering Solved Paper-2013

  • question_answer
    Elements \[Se,\,\,\,Cl\] and \[S\] have been arranged in the order of increasing ionisation energies. Identify the correct order.

    A) \[S<Se<Cl\]                       

    B) \[Se<S<Cl\]

    C)  \[Cl<S<Se\]                      

    D)  \[Se=S<Cl\]

    Correct Answer: B

    Solution :

    lonisation energy generally increase from left to right across a row of the Periodic Table and decreases from top to bottom down a group. Hence, \[IE\] of \[CI>S\] and \[IE\] of\[Se<S\]. Thus, the order is\[Se<S<Cl\].


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