VMMC VMMC Medical Solved Paper-2005

  • question_answer
    Which one will liberate \[\text{B}{{\text{r}}_{\text{2}}}\] from \[\text{KBr}\]?

    A)  \[{{\text{I}}_{\text{2}}}\]                           

    B)         \[\text{S}{{\text{O}}_{2}}\]                       

    C)  HI                          

    D)         \[C{{l}_{2}}\]

    Correct Answer: D

    Solution :

    Chlorine can replace bromine from \[\text{KBr}\] solution, as it is placed above bromine in VIIA group in periodic table. \[C{{l}_{2}}+2KBr\xrightarrow{{}}2KCl+B{{r}_{2}}\]


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