Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main202523 Jan 2025Evening ShiftChemistryPractical ChemistryActual

Identify A , B and C in the given below reaction sequence A HNO ₃ ~Pb ( NO ₃ )₂ H ₂ SO ₄ B [ (2) Acetic acid (3) K ₂ CrO ₄ ] (1) Ammonium acetate

Options

  1. APbCl ₂, PbSO ₄, PbCrO ₄
  2. BPbS , PbSO ₄, ~Pb ( CH ₃ COO )₂
  3. CPbCl ₂, ~Pb ( SO ₄ )₂, PbCrO ₄
  4. DPbS , PbSO ₄, PbCrO ₄

Correct answer

D. PbS , PbSO ₄, PbCrO ₄

Step-by-step solution

Open this question in the Quantrex Academy app for the full interactive solution, figures and similar PYQs.

Practice Practical Chemistry on Quantrex Academy →

More from Practical Chemistry

Passage: Consider the following reaction sequence in which J , K , L and M are the major products. Given: Atomic mass (in amu): H : 1 , C : 12 , N : 14 , O : 16 , S : 32 , Br : 80 2026Among Fe³⁺ , Pb²⁺ , Cu²⁺ and Mn²⁺ , identify the one that gets precipitated out while passing H₂S in presence of NH₄OH as group reagent. The highest possible oxidation state of the 2026Among Fe²⁺, Fe³⁺, Cr²⁺ and Zn²⁺ , the ion that shows positive borax bead test and with highest ionisation enthalpy is: 2026A salt with few drops of conc. HCl gives apple green colour in flame test. The group precipitate of the salt is dissolved in acetic acid and treated with K₂CrO₄ to give yellow prec 2026A 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 percentage o 2026In the Group analysis of cations, Ba ²⁺ ~ &~ Ca ²⁺ are precipitated respectively as 2026Consider 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 hot water. x , y a 2026By usual analysis, 1.00 g of compound ( X ) gave 1.79 g of magnesium pyrophosphate. The percentage of phosphorus in compound (X) is : (nearest integer) (Given, molar mass in g mol 2026 Full Practical Chemistry list All JEE Main PYQs