Question

Mention one wet test for Cl- radical. viva question
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Answer 1

Explanation:

Part I : Addition of excess of water to BiCl3 solution gives a white precipitate due to hydrolysis. Group IIB : In case the precipitate dissolves in yellow ammonium sulphide, the tests of the radicals arsenic, antimony and tin are performed. The sulphide is reacted with concentrated hydrochloric acid.

(a) Silver nitrate test

Chlorides on reaction with silver nitrate solution to form a white precipitate of silver chloride which is soluble in ammonium hydroxide.

Dry and wet test for anion ⇒ The dry test of anion is a basic test performed to detect the presence of element in compound by introducing the sample to the flame for noting the color produced, since some common and the certain element can be detected by means of their characteristic flame color.

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