JEE Main & Advanced
Chemistry
Analytical Chemistry
Question Bank
Wet Test for Basic Radical
question_answer
When \[{{H}_{2}}S\]gas is passed through the HCl containing aqueous solutions of \[CuC{{l}_{2}}\], \[HgC{{l}_{2}}\], \[BiC{{l}_{3}}\] and \[CoC{{l}_{2}}\], which does not precipitate out [MP PMT 2002]