first ans. HCl decreases the concentration of sulphide ions in soln due to lesser dissociation of hydrogen sulphide by common ion effect,precipitating sulphides of gr 2 which hv low solubility product. B
"Many of the things you can count,dont count....
Many of the things you cant count,really do count...."-Albert Einstein
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them"-William Bragg
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RISHIPRATIM MAZUMDAR
NIT DURGAPUR
1ST YEAR,ELECTRONICS AND COMMUNICATIONS
Moderation Team
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