JEE Main & Advanced JEE Main Paper (Held On 11-Jan-2019 Evening)

  • question_answer
    The relative stability of +1 oxidation state of group 13 elements follows the order [JEE  Main Online Paper (Held on 11-jan-2019 Evening)]

    A) \[Tl<In<Ga<Al\]                      

    B) \[Al<Ga<In<Tl\]

    C) \[Ga<Al<In<Tl\]          

    D)   \[Al<Ga<Tl<In\]

    Correct Answer: B

    Solution :

    The stability of +1 oxidation state increases from aluminium to thallium due to inert pair effect.


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