JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Compounds of Transitional Elements

  • question_answer
    Reaction of zinc with cold and very dilute nitric acid yields [MP PET 1985, 92, 97; BHU 1995, 2000; NCERT 1974; MP PMT 1995]

    A) \[Zn{{(N{{O}_{3}})}_{2}}+{{N}_{2}}O\]

    B) \[Zn{{(N{{O}_{3}})}_{2}}+NO\]

    C) \[Zn{{(N{{O}_{3}})}_{2}}+N{{H}_{4}}N{{O}_{3}}\]

    D) \[Zn{{(N{{O}_{3}})}_{2}}+N{{O}_{2}}\]

    Correct Answer: C

    Solution :

      Very dil \[HN{{O}_{3}}:\to \] Ammonium nitrate is formed \[4Zn+10HN{{O}_{3}}\to 4Zn{{(N{{O}_{3}})}_{2}}+N{{H}_{4}}N{{O}_{3}}+3{{H}_{2}}O\]


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