
VIVA-2 - PRACTICALS - SALT ANALYSIS XIIth - QUALITATIVE ANALYSIS, Anion Analysis
Gurjit Singh Kapur M Sc - CHEMISTRY - IIT-Delhi More than 35 years of experience of TEACHING and Guiding Students "KAPUR SIR KI CHEMISTRY CLASS VIVA QUESTIONS ON SALT ANALYSIS, qualitative analysis, identification of cations, identification of anions, acidic and basic radicals, carbonate, sulphate, sulphide, nitrate, nitrite, sulphite, acetate, chloride, bromide, iodide, brown fumes in the test of bromide and nitrate, AgNO3 test unreliable for chloride, Brown Ring test, adsorption of iodine by starch, chloroform test, chromyl chloride test Group II (conc H2SO4 group) – Cl— (chloride), Br— (bromide), I— (iodide), NO3—(nitrate), CH3COO— (acetate), C2O42— (oxalate) Group III anions (special group) SO42— (sulphate), PO42—(phosphate): No group reagent How will you distinguish between the brown fumes evolved in the test of bromide and nitrate Why is the AgNO3 test unreliable for chloride especially chemistry of chromyl chloride test Why do bromides and iodides not respond to chromyl chloride test How will you confirm the presence of bromide and iodide by chloroform test How will you distinguish between the brown fumes evolved in the test of bromide and nitrate Br2 and I2 are displaced by Cl2, why What is Ring test Why is a blue colour produced by iodine with starch solution What type of smell comes in case of acetate radical Why do you get a blood red colour in the test of acetate with FeCl3 How can neutral solution of FeCl3 be prepared Viva by Kapur Sir "KAPUR SIR KI CHEMISTRY CLASS" Class XII Class 12 CBSE NCERT Chapter 12 "Kapur Sir ki Chemistry Class"