IITJEE Mains • Chemistry New Syllabus
Module 20: Qualitative Analysis Hub
Master the experimental identification of ions. Explore preliminary tests, systematic cation and anion group separations, flame tests, and specific reagent reactions.
Topic 1.1 • Dry Tests
Preliminary Examinations: Dry Heating, Charcoal Cavity, and Borax Bead Tests
Topic 1.2 • Flame Photometry
Characteristic Flame Colors of Alkali and Alkaline Earth Metals (Na, K, Ca, Sr, Ba, Cu)
Topic 2.1 • Dilute Acid Group
Analysis of Carbonate, Sulphide, Sulphite, Nitrite, and Acetate Radicals
Topic 2.2 • Conc. Acid & Special
Detection of Halides (Cl⁻, Br⁻, I⁻), Nitrate, Sulphate, and Phosphate Ions
Topic 3.1 • Basic Radicals I
Zero Group (Ammonium Ion & Nessler’s Reagent) and Group I (Pb²⁺ Precipitation)
Topic 3.2 • Basic Radicals II
Precipitation with H₂S (Cu²⁺, As³⁺) and NH₄OH (Fe³⁺, Al³⁺) in Specific Mediums
Topic 4.1 • Basic Radicals III
Group IV (Zn²⁺, Mn²⁺, Ni²⁺, Co²⁺), Group V (Ba²⁺, Sr²⁺, Ca²⁺), and Group VI (Mg²⁺)
Topic 4.2 • Confirmatory Tests