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Chemical Equilibrium Test - 35
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Chemical Equilibrium Test - 35
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  • Question 1/10
    4 / -1
    Solubility product of silver bromide is 5.0 ×10-13. The quantity of potassium bromide (molar mass taken as 120 g mol-1) to be added to 1 L of 0.05 M solution of silver nitrate to start the precipitation of AgBr is
  • Question 2/10
    4 / -1
    At 25oC, the solubility product of Mg (OH)2 is 1.0 × 10-11. At which pH, will Mg2+ ions start precipitating in the form of Mg (OH)2 from a solution of 0. 001M Mg2+ ions ?
  • Question 3/10
    4 / -1
    The solubility of AgCl in 0. 2M NaCl solution is
    (KSP of AgCl = 1.20 × 10-10)
  • Question 4/10
    4 / -1
    Solid Ba (NO3)2 is gradually dissolved in a 1.0 × 10-4 M Na2CO3 solution. At what concentration of Ba2+ will a precipitate begin to form?
    (KSP for BaCO3 = 5.1 × 10-9)
    Solutions

  • Question 5/10
    4 / -1
    In qualitative analysis, in III group NH4 Cl is added before NH4OH because
  • Question 6/10
    4 / -1
    If KP of Ag 2S is 10-17, then the solubility of Ag2S in 0.1 M solution of Na2S will be
  • Question 7/10
    4 / -1
    Solubility product constant [Ksp ] of salts of types MX, MX2 and M3X at temperature T are 4.0 × 10-8, 3.2 × 10-14 and 2.7 × 10 respectively. Solubilities (mol, dm-3) of the salts at temperature T are in the order
    Solutions

  • Question 8/10
    4 / -1
    Solubility product of a salt AB is 1 x 10-8 M2 in a solution in which the concentration of A+ ions is 10-3 M. The salt will precipitate when the concentration of B- ions is kept
  • Question 9/10
    4 / -1
    In a saturated solution of the sparingly soluble strong electrolyte AgIO3 (molecular mass = 283) the equilibrium which sets in is
    AgIO3 (s) ⇌ Ag+ (aq) IO3- (aq)
    If, the solubility product constant Ksp of AgIO3 at a given temperature is 1.0 × 10-8, then what is the mass of AgIO3 contained in 100 mL of its saturated solution ?
  • Question 10/10
    4 / -1
    The solubility in water of a sparingly soluble salt AB2 is 1.0 × 10-5 mol L-1. Its solubility product number will be
    Solutions

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