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JCECE Engineering JCECE Engineering Solved Paper-2006

  • question_answer
    Colour of the solution when \[KI\] reacts with \[B{{r}_{2}}\] is:

    A)  blue                                     

    B)  black

    C)  red                                       

    D)   no change

    Correct Answer: B

    Solution :

    Bromine liberates iodine from \[KI\] solution because of its oxidising property. Colour of iodine is grey black so, black colour is obtained. \[2KI+B{{r}_{2}}\xrightarrow{{}}2KBr+{{I}_{2}}\](Black or grey)


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