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

  • question_answer
    Which of the following dissolves in hot conc. NaOH solution [CPMT 2004]

    A) Fe

    B) Zn

    C) Sn

    D) Ag

    Correct Answer: B

    Solution :

    Zn dissolve in Conc. NaOH due to the formation of Sodium Zincate. \[Zn+2NaOH\to N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner