Punjab Medical Punjab - MET Solved Paper-2005

  • question_answer
    On strong heating \[MgC{{l}_{2}}\cdot 6{{H}_{2}}O\], the product obtained is:

    A) \[MgC{{l}_{2}}\]                              

    B) \[MgO\]

    C) \[MgC{{l}_{2}}\cdot 2{{H}_{2}}O\]           

    D) \[MgC{{l}_{2}}\cdot 4{{H}_{2}}O\]

    Correct Answer: B

    Solution :

    On heating\[MgC{{l}_{2}}.6{{H}_{2}}O\], it gets hydrolysed by its own water of crystallization to an oxy chloride. \[MgC{{l}_{2}}.6{{H}_{2}}O\xrightarrow{\Delta }MgO+2HCl+2{{H}_{2}}O\]


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