Analytical Chemistry Question 142

Question: Where chlorine water is added to an aqueous solution of potassium halide in presence of chloroform, a violet colour is obtained. On adding more of chlorine water, the violet colour disappears, and a colourless solution is obtained. This test confirms the presence of the following in aqueous solution

[CPMT 1990]

Options:

A) Iodide

B) Bromide

C) Chloride

D) Iodide and bromide

Show Answer

Answer:

Correct Answer: A

Solution:

It is a test for iodide.