JEE Main & Advanced Sample Paper JEE Main - Mock Test - 21

  • question_answer
    Which is most acidic?

    A) \[{{H}_{2}}O\]            

    B)        \[{{H}_{2}}S\]   

    C) \[{{H}_{2}}Se\]           

    D)        \[{{H}_{2}}Te\]

    Correct Answer: D

    Solution :

    As the size of anion(M) increases \[M-H\]bond strength decreases, so release of \[{{H}^{+}}\] becomes easier. Thus \[{{H}_{2}}Te\]is most acidic because size of \[Te\] is highest.


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