NEET Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Self Evaluation Test - The d-and f-Block Elements

  • question_answer
    When horn silver ore is dissolved in excess of sodium cyanide solution compound formed is

    A) \[AgCN\]           

    B) \[Na\left[ Ag{{\left( CN \right)}_{2}} \right]\]

    C) \[N{{a}_{2}}\left[ Ag{{\left( CN \right)}_{3}} \right]\] 

    D) \[N{{a}_{4}}\left[ Ag{{\left( CN \right)}_{5}} \right]\]

    Correct Answer: B

    Solution :

    [b] \[AgCl+2NaCN\to ~Na\left[ Ag{{(CN)}_{2}} \right]+NaCl\]


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