CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2004

  • question_answer
    The main product obtained when a solution of sodium carbonate reacts with mercuric chloride is :

    A)  \[Hg{{(OH)}_{2}}\]         

    B)  \[HgC{{O}_{3}}\,.\,HgO\]

    C)  \[HgC{{O}_{3}}\]                            

    D)  \[HgC{{O}_{3}}\,.\,Hg{{(OH)}_{2}}\]

    Correct Answer: B

    Solution :

    Basic mercuric carbonate is obtained in this reaction. \[N{{a}_{2}}C{{O}_{3}}+2HgC{{l}_{2}}\xrightarrow{{}}HgC{{O}_{3}}\,.\,\,HgO\]                                                 \[+2NaCl+C{{l}_{2}}+C{{O}_{2}}\]


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