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Ionic Equilibrium II

220 questions in 6 topics. 44 NEET level, 88 JEE Main, 88 JEE Advanced. Every question was written for this chapter and solved independently a second time before publication.

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Salt hydrolysis: pH of salts of weak acid or weak base 37

Which of the following salts gives an acidic aqueous solution at 298 K?
An aqueous solution of sodium cyanide, NaCN, has a pH greater than 7 because
For a salt BA of a weak base BOH (with K_b) and a strong acid, the hydrolysis constant is
Ammonium acetate is dissolved in water at 298 K. Given K_a(CH3COOH) = K_b(NH3), the solution is
Calculate the pH of a 0.10 M solution of sodium acetate. K_a(CH3COOH) = 1.8x10^-5 at 298 K. Use pH = 7 + tfrac...
What is the pH of a 0.20 M solution of NH4Cl at 298 K? K_b(NH3) = 1.8x10^-5. Use pH = 7 - tfrac12(pK_b + log c...
The degree of hydrolysis of 0.010 M sodium fluoride at 298 K is closest to (K_a of HF = 6.8x10^-4; use h = sqr...
Ammonium formate is the salt of HCOOH (pK_a = 3.75) and NH3 (pK_b = 4.75). Use pH = 7 + tfrac12(pK_a - pK_b). ...
All 37 questions on this topic

Ionic Equilibrium II

Salt hydrolysis: pH of salts of weak acid or weak base 37

Polyprotic acids and amphiprotic species 36

Acid-base titration curves and indicators 36

Complex equilibria: simultaneous solubility and selective precipitation 36

Solubility in presence of complexing agents and pH 37

Mixtures of weak acids and bases 38