Transcription of NIT-7 YSTEMATIC QUALITATIVE NALYSIS
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NIT-7 YSTEMATIC QUALITATIVE NALYSIS
UNIT-7 SYSTEMATIC QUALITATIVEANALYSISANALYSIS always does not mean breaking of substance into its ultimateconstituents. Finding out the nature of substance and identity ofits constituents is also analysis and is known as QUALITATIVE analysis of inorganic salts means the identification of cations andanions present in the salt or a mixture of salts. Inorganic salts may be obtainedby complete or partial neutralisation of acid with base or vice-versa. In theformation of a salt, the part contributed by the acid is called anion and the partcontributed by the base is called cation.
(b) If the salt is soluble in water, take the solution of salt in water make it alkaline with ammonium hydroxide and add sodium nitroprusside solution. If it is insoluble in water take sodium carbonate extract and add a few drops of sodium nitroprusside solution. Purple or violet (a) Take 0.1 g of salt in a china dish. Add 1 mL of ethanol
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