JEE Main & Advanced JEE Main Paper (Held On 9 April 2017)

  • question_answer
    Which of the following ions does not liberate hydrogen gas on reaction with dilute acids? [JEE Online 09-04-2017]

    A)  \[{{V}^{2+}}\]                                  

    B)  \[T{{i}^{2+}}\]

    C)  \[M{{n}^{2+}}\]                              

    D)  \[C{{r}^{2+}}\]

    Correct Answer: C

    Solution :

     \[M{{n}^{2+}}\]


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