1.

When chlorine water is added to an aqueous solution of sodium halide in the presence of chloroform, violet colouration is obtained. When more of chlorine water is added, the violet colour disappears and the solution becomes colourless. This confrims that sodium halide is :

Answer»

Chloride
fluoride
Bromide
Iodide.

Solution :Sodium HALIDE is Nal. CHLORINE displaces iodine form Nal which imparts violet colour - ation to chloroform layer. However, EXCESS of chlorine water dissolves iodine to form a colourless solution.
`2Na+Cl_(2) to 2NaCl+l_(2)`
`l_(2)+5Cl_(2)+6H_(2)O to underset(("Colourless"))(2HlO_(3))+10HCl`


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