Which is the compound that forms the stain in Lead Acetate Tape Staining method used for the analysis of Hydrogen Sulphide and what is the colour of the stain?

Question:Which is the compound that forms the stain in Lead Acetate Tape Staining method used for the analysis of Hydrogen Sulphide and what is the colour of the stain?

1.Lead Sulphide, red colour

2.Lead Sulphide, brown colour

3. Hydrogen acetate, white colour

4.Hydrogen acetate, green colour


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