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Account for the following. Limit your answer to two sentence:
The precipitation of second group sulphides in qualitative analysis is carried out with hydrogen sulphide in presence of hydrochloric acid and not nitric acid.

Amanat , 11 Years ago
Grade 12th pass
anser 1 Answers
Kevin Nash

Last Activity: 11 Years ago

HNO base 3 is strong oxidizing agent and it oxidises H base 2S to S. So

HNO base 3 cannot be used to precipitate second group elements.

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