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Qualitative Analysis: Anions

220 questions in 6 topics. 44 NEET level, 88 JEE Main, 88 JEE Advanced. Every question was written for this chapter and solved independently a second time before publication.

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Dry tests: heating, flame and borax bead tests 36

In a flame test, a salt of which cation imparts an apple-green colour to the flame?
A borax bead containing a trace of a metal salt is green while hot and blue on cooling in the oxidising flame....
A colourless crystalline salt is heated strongly in a dry tube. Brown fumes are evolved and a residue that is ...
A cobalt blue glass is often used while viewing the flame test of a potassium salt contaminated with sodium. I...
A white solid gives off a gas that turns lime water milky when strongly heated. The residue is yellow while ho...
Assertion: The borax bead test is useful only for salts of some d-block metals, because colourless metals give...
Which of the following pairs of cation and flame colour are correct?
Match the salt in List I with the observation on strong heating in List II. List I: (P) CuCO3 (Q) ZnCO3 (R) (N...
All 36 questions on this topic

Qualitative Analysis: Anions

Dry tests: heating, flame and borax bead tests 36

Dilute acid group anions: carbonate, sulphite, sulphide, nitrite 37

Concentrated acid group: halides, nitrate, oxalate 37

Independent group: sulphate, phosphate, borate 38

Chromyl chloride, brown ring and ring tests 37

Precipitation reactions and confirmatory tests 35