Qualitative Analysis: NEET Chemistry Previous Year Questions

30 previous year questions from Qualitative Analysis. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group IV in qualitative inorganic analysis?$
2. $Consider three metal chlorides x, y and z, where x is water soluble at room temperature, y is sparingly soluble in water at room temperature and z is soluble in\dots$
3. $The Lassiagne's extract is boiled with dil HNO_{3} before testing for halogens because,$
4. $On passing a gas, ' X^{’}, through Nessler's reagent, a brown precipitate is obtained. The gas ' X^{’} is$
5. $During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of Fe^{2 +} ion? [NEET 2\dots$
6. $The water quality of a pond was analysed and its BOD was found to be 4. The pond has$
7. $Match List-I with List-II (matching question)$
8. $The concentration of dissolved Oxygen in water for growth of fish should be more than X ppm and Biochemical Oxygen Demand in clean water should be less than Y ppm. X and\dots$
9. $A reagent which gives brilliant red precipitate with Nickel ions in basic medium is$
10. $Formation of which complex, among the following, is not a confirmatory test of P b^{2 +} ions$
11. $Formation of Na_{4} (Fe (CN)_{5} NOS), a purple coloured complex formed by addition of sodium nitroprusside in so\dots$
12. $In Dumas' method for estimation of nitrogen, 0.5 gram of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg pressure. The percentage\dots$
13. $In the Group analysis of cations, Ba^{2 +} & Ca^{2 +} are precipitated respectively as$
14. $A student has been given 0.314 g of an organic compound and asked to estimate Sulphur. During the experiment, the student has obtained 0.4813 g of barium sulphate. The pe\dots$
15. $In the wet tests for detection of various cations by precipitation, B a^{2 +} cations are detected by obtaining precipitate of$
16. $The normal rain water is slightly acidic and its pH value is 5.6 because of which one of the following ?$
17. $The industrial activity held least responsible for global warming is :$
18. $Given below are two statements: Statement-I: The gas liberated on warming a salt with dil H_{2} SO_{4}, turns a piece of paper dipped in lead acetate into bl\dots$
19. $When a salt is treated with sodium hydroxide solution it gives gas X . On passing gas X through reagent Y a brown coloured precipitate is formed. X and Y respecti\dots$
20. $Given below are two statements: Statement I: Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes green. Statement II :\dots$
21. $Choose the correct tests with respective observations. (pc) (A) CuSO_{4} (acidified with acetic acid)\dots$
22. $Correct statement about smog is$
23. $The compound that is white in color is$
24. $A mixture of 1 g each of chlorobenzene, aniline, and benzoic acid is dissolved in 50 mL ethyl acetate and placed in a separating funnel.\dots$
25. $Formulae for Nessler's reagent is:$

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Qualitative Analysis: NEET Chemistry Previous Year Questions

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