Principles Related to Practical Chemistry questions
214 published questions with worked solutions.
- Consider the following reactions (unbalanced) Zn + hot conc. H_2SO_4 → **G** + **R** + **X** Zn + conc. NaOH → **T** + **Q**...
- A colorless aqueous solution contains nitrates of two metals, **X** and **Y**. When it was added to an aqueous solution of NaCl,...
- Match List I with List II. List I (Anion): A. CO_ 3 ^ 2- B. S^ 2- C. SO_ 3 ^ 2- D. NO_ 2 ^ - List II (Gas evolved on reaction...
- A white precipitate was formed when BaCl_ 2 was added to water extract of an inorganic salt. Further, a gas 'X' with...
- During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to the metal ion is...
- Match List I with List II List-I (Element detected): A. Nitrogen B. Sulphur C. Phosphorus D. Halogen List-II (Reagent...
- In Carius tube, an organic compound 'X' is treated with sodium peroxide to form a mineral acid 'Y'. The solution of BaCl_2 is...
- When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium, a dark...
- In the wet tests for detection of various cations by precipitation, Ba^ 2+ cations are detected by obtaining precipitate of
- An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is
- A chloride salt solution acidified with dil.HNO_3 gives a curdy white precipitate, [A], on addition of AgNO_3. [A] on treatment...
- Match List-I with List-II List-I (Elements): A. K B. Ca C. Sr D. Ba List-II (Colour imparted to the flame): I. Brick Red II....
- Match List-I with List-II List-I (Cations): A. Pb^ 2+ , Cu^ 2+ B. Al^ 3+ , Fe^ 3+ C. Co^ 2+ , Ni^ 2+ D. Ba^ 2+ , Ca^ 2+ List-II...
- During the qualitative analysis of SO_3^ 2- using dilute H_2SO_4, SO_2 gas evolved which turns K_2Cr_2O_7 solution (acidified...
- In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group...
- A solution of a metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give a colourless...
- How do we differentiate between Fe^ 3+ and Cr^ 3+ in group III?
- To prepare a standard solution of a substance, we use:
- Standard solution is one whose concentration is _____
- The apparatus in which standard solution is prepared is known as :
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