Test for Sulphide Radical

Learning objectives

After this experiment, students will be able to:

Study chemical and nature characteristic of sulphides.
Understand various tests to identify the anion presence in a given salt.
Understand the chemical reactions and their balanced equations that takes place during each test.
Acquire the skills to perform the experiment in the real lab once they understand the different steps in the procedure.

OVERVIEW

- The sulphide (S-2) radical is among the first groups of the acid radical in which hydrochloric acid is used as the group reagent while silver nitrate, lead acetate, and sodium nitroprusside are used as confirmatory test reagents in case of sulphide radical salts.

- In this experiment, we will test the salt solubility with water. Then we will test the reaction of the salt with HCl, after which we will perform the confirmatory tests with silver nitrate, lead acetate, and sodium nitroprusside reagents to confirm the presence of sulphide radical in the salt

AIM

To test for the sulphide radical in inorganic salts

TECHNIQUES IN LAB

Qualitative inorganic analysis.

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