Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

311.

Calculate the solubility of lead iodide in water at 298 K. (K_sp of PbI₂ = 7·1×10^–9).

165 Views

312. Calculate the concentration of Mg²⁺ ions and OH^- ions in a saturated solution of Mg(OH)₂, solubility product of Mg(OH)₂ is 9×10^–12

108 Views

Let the solubility of Ag₂CrO₄ in water be S mol L^–1.

Hence in solution,

Applying the law of solubility product

228 Views

314. Determine the solubility of barium chromate at 298K. Given K for BaCrO₄ = 1·2 × 10^–10. Also, determine the molarities of each ion.

163 Views

315. Determine the solubility of ferric hydroxide at 298K. Given K_sp for Fe(OH)₃ = 1·0 × 10^–38. Also, determine the molarities of each ion.

137 Views

316. Determine the solubility of lead chloride at 298K. Given K_sp for PbCl₂ = 1·6 × 10^–5. Also, determine the molarity of each ion.

177 Views

317.

The solubility of Sr(OH)₂ at 298K is 19·23g/L of the solution. Calculate the concentration of strontium and hydroxyl ions and pH of the solution.

297 Views

318. The solubility product of BaSO₄ is 1·5 × 10^–9. Find solubility in:
(i) pure water
(ii) 0·10 M BaCl₂.

149 Views

319.

How many moles of AgBr (K_sp = 5 × 10^–13 mol² L^–2) will dissolve in a 0·01 M NaBr solution (NaBr is completely dissociated into Na⁺ and Br^-ion).

153 Views

320. What is the minimum volume of water required to dissolve lg of calcium sulphate at 298 K? [For calcium sulphate, K_sp is 9·1 × 10^–6).

132 Views