Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Ionic Equilibrium question

2018 · Shift 0 · Q19
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Ionic Equilibrium
  5. /2018 · Shift 0 · Q19

Ionic Equilibrium question

2018 · Shift 0 · Q19

JEE MainChemistryIonic EquilibriumMCQ+4 / −1
An aqueous solution contains 0.10 M H2SH_2SH2​S and 0.20 M HClHClHCl. If the equilibrium constants for the formation of HS−HS^-HS− from H2SH_2SH2​S is 1.0 ×\times× 10–7 and that of S2−S^{2-}S2− from HS−HS^-HS− ions is 1.2 ×\times× 10–13 then the concentration of S2−S^{2-}S2− ions in aqueous solution is :
  1. A
    5 ×\times× 10–19
  2. B
    5 ×\times× 10–8
  3. C
    3 ×\times× 10–20
  4. D
    6 ×\times× 10–21
PreviousNext

More from Ionic Equilibrium

  • An alkali is titrated against an acid with methyl orange as indicator, which of the following is a correct combination?2018 · MCQ
  • An aqueous solution contains an unknown concentration of Ba2+. When 50 mL of a 1 M solution of Na2​SO4​ is added, BaSO4​ just begins to precipitate. The final volume is 500 mL. The solubility product of BaSO4​ is 1 ×…2018 · MCQ
  • Additin of sodium hydroxide solution to a weak acid (HA)results in a buffer of pH 6. If ionition constant of HA is 10 − 5, the ratio of salt to acid concentration in the buffer solution will be :2017 · MCQ
  • 50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be :2017 · MCQ
  • pKa of a weak acid (HA) and pKb of a weak base (BOH) are 3.2 and 3.4, respectively. The pH of their salt (AB) solution is :2017 · MCQ
  • How many litres of water must be added to 1 litre of an aqueous solution of HCl with a pH of 1 to create an aqueous solution with pH of 2?2013 · MCQ
  • The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, Ka of this acid is :2012 · MCQ
  • Solubility product of silver bromide is 5.0 × 10–13. The quantity of potassium bromide (molar mass taken as 120g of mol–1) to be added to 1 litre of 0.05 M solution of silver nitrate to start the precipitation of AgBr is :2010 · MCQ