Q 1719580410.     On addition of conc. `H_2SO_4` to a chloride salt, colourless fumes are evolved
but in case of iodide salt, violet fumes come out. This is because

NCERT Exemplar 07/01/MCQ
A

`H_2SO_4` reduces `HI` to `I_2`

B

`HI` is of violet colour

C

`HI` gets oxidised to `I_2`

D

`HI` changes to `HIO_3`

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