JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Electrolytes and Electrolysis

  • question_answer
    Which of the following liberate hydrogen on reaction with dilute \[{{H}_{2}}S{{O}_{4}}\]                                               [Roorkee 2000]

    A)                 \[Fe\]   

    B)                 \[Cu\]

    C)                 \[Al\]    

    D)                 \[Hg\]

    Correct Answer: C

    Solution :

                    \[2Al+dil.\,{{H}_{2}}S{{O}_{4}}\to A{{l}_{2}}S{{O}_{4}}+{{H}_{2}}\uparrow \].


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