1.

Which of the following solutions will turn violet when a drop of lime juice is added to it ?

Answer»

A solution of NAI
A solution mixture of KI and `NaIO_(3)`
A solution mixture of NaI and KI
A solution mixture of `KIO_(3) and NaIO_(3)`

Solution :LIME juice gives the `H^(+)` ions.
`{:(KI overset(H^(+))RARR K^(+) HI , NaIO_(3) overset(H^(+))rarr Na^(+)+ HIO_(3)),(5HI + HIP_(3) rarr 3 I_(2) + 3 H_(2)O):}`
`I_(2)` THUS produces turns solution violet.


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