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Q.

When Br2 is treated with aqueous solutions of NaF, NaCl, NaI separately then which of the following are liberated?


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a

F2, Cl2and I2 are liberated.

b

Only F2 and Cl2are liberated.

c

Only I2 is liberated.

d

Only Cl2 is liberated. 

answer is C.

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Detailed Solution

        In a redox reaction, the element above can push the element below out of a group.
        Bromine gas can displace iodine compounds but not fluorine or chlorine when it is passed through solutions of NaF, NaCl, and NaI.
                          2NaI+Br22NaBr +I2
        Iodine gas is released.
  
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