J & K CET Engineering J and K - CET Engineering Solved Paper-2010

  • question_answer
    Irregular trend in the standard reduction potential value of first row transition elements is due to

    A)  regular variation of first and second ionisation enthalpies

    B)  irregular   variation   of   sublimation enthalpies

    C)  regular variation of sublimation enthalpies

    D)  increase in the number of unpaired electrons

    Correct Answer: B

    Solution :

     Since, the enthalpies of sublimation of first row transition elements varies irregularly, their standard reduction potential also exhibit a irregular trend.


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