1.

On addition of cone. H_2SO_4 to a chloride salt, colourless fumes are evolved but in case of iodide salt, violet fumes come out. This is because ……...

Answer»

`H_2SO_4` REDUCES HI to `I_2`
HI is of violet colour
HI gets oxidised to `I_(2)`
HI changes to `HIO_(3)`

Solution :`H_(2)SO_(4)` oxidising HI to `I_(2)`
`2Nal + H_(2)SO_(4) to Na_(2)SO_(4) + underset(2H_(2)O + SO_(2) + I_(2))underset(darr H_(2)SO_(4))(2HI)`


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