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.
NO) Table 7.2 : Confirmatory tests for CO 3 2–,S2–,SO 3 2–,NO 3 –,CH 3 COO– * Like CO 2 sulphur dioxide also turns lime water milky. But CO 2 is odourless gas and SO 2 has a characteristic smell. 35153129
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