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NEET Chemistry Electrochemistry / विद्युत् रसायन Question Bank Self Evaluation Test - Electrochemistry

  • question_answer
    Zn gives \[{{H}_{2}}\] gas with \[{{H}_{2}}S{{O}_{4}}\] and \[HCl\] but not with \[HN{{O}_{3}}\] because

    A) Zn acts as oxidizing when reacts with \[HN{{O}_{3}}\].

    B) \[HN{{O}_{3}}\] is weaker acid than \[{{H}_{2}}S{{O}_{4}}\] and \[HCl\].

    C) In electrochemical series Zn is above hydrogen.

    D) \[N{{O}_{3}}^{-}\] is reduced in preference to hydronium.

    Correct Answer: D

    Solution :

    [d] The reduction potential of \[NO_{3}^{-}\] ion is more than \[{{H}^{+}}\] ion.


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