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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    In the conversion \[B{{r}_{2}}\to Br{{O}_{3}}^{-}\] oxidation state of bromine changes:

    A)  \[0\] to \[5\]  

    B)  \[1\]to \[3\]           

    C)  \[2\] to\[4\]

    D)  \[5\]to \[1\] 

    Correct Answer: A

    Solution :

    \[B{{r}_{2}}\xrightarrow{{}}BrO_{3}^{-}\] Oxidation state \[=0\]                 \[x+3(-2)=-1\]                 \[x-6=-1\]                 \[x=5\] oxidation state \[=5\] Thus, oxidation state of bromine changes from 0 to 5.


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