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

2010 · Shift 1 · Q5
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Advanced
  3. /Chemistry
  4. /Ionic Equilibrium
  5. /2010 · Shift 1 · Q5

Ionic Equilibrium question

2010 · Shift 1 · Q5

JEE AdvancedChemistryIonic EquilibriumNumerical+2 / −1
Amongst the following the total number of compounds whose aqueous solution turns red litmus paper blue is KCNKCNKCN, K2SO4K_2SO_4K2​SO4​, (NH4)2C2O4(NH_4)_2C_2O_4(NH4​)2​C2​O4​, NaClNaClNaCl, Zn(NO3)2Zn(NO_3)_2Zn(NO3​)2​, FeCl3FeCl_3FeCl3​, K2CO3K_2CO_3K2​CO3​, NH4NO3NH_4NO_3NH4​NO3​ and LiCNLiCNLiCN
Numerical answer
PreviousNext

More from Ionic Equilibrium

  • The dissociation constant of a substituted benzoic acid at 25 ∘ C is 1.0 × 10 −4. The pH of a 0.01 M solution of its sodium salt is ​.2009 · Numerical
  • 2.5 mL of 52​ M weak monoacidic base (K b​= 1 × 10 −12 at 25 ∘ C) is titrated with 152​ M HCl in water at 25 ∘ C. The concentration of H + at equivalence point is (K w​= 1 ×…2008 · MCQ
  • Solubility product constants (K sp​) of salts of types MX, MX 2​ and M 3​ X at temperature T are 4.0 × 10 −8, 3.2 × 10 −14 and 2.7 × 10 −15, respectively. Solubilities (mol dm −3…2008 · MCQ
  • At 25 °C, the concentration of H+ ions in 1.00 × 10−3 M aqueous solution of a weak monobasic acid having acid dissociation constant (Ka) of 4.00 × 10−11 is X × 10−7 M. The value of X is ​. Use: Ionic product of…2025 · Numerical
  • The solubility of barium iodate in an aqueous solution prepared by mixing 200 mL of 0.010 M barium nitrate with 100 mL of 0.10 M sodium iodate is X×10−6 moldm−3. The value of X…2025 · Numerical
  • On decreasing the pH from 7 to 2 , the solubility of a sparingly soluble salt (MX) of a weak acid (HX) increased from 10−4 mol L−1 to 10−3 mol L−1. The p Ka​…2023 · MCQ
  • A solution is prepared by mixing 0.01 mol each of H2​CO3​,NaHCO3​,Na2​CO3​, and NaOH in 100 mL of water. pH of the resulting…2022 · Numerical
  • Concentration of H2​SO4​ and Na2​SO4​ in a solution is 1M and 1.8×10−2M, respectively. Molar solubility of PbSO4​ in the same solution is X×10−YM…2022 · Numerical