19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
A weak acid, HA, has a K of 1.00 × 10–5. If 0.100 mole of this acid is dissolved in 1L of water, the percentage of acid dissociated at equilibrium is closest to (CBSE AIPMT 2007)
Degree of dissociation of 0.1 N is acid (K 1 10 ) x (CPMT 2006) (a) (b) (c) (d)
The hydrogen ion concentration of a 10M HCl aqueous solution at 298 K w K 10 is (AIPMT 2006)
At 25oC the dissociation constant of a base, BOH, is 1.0×10–12. The concentration of hydroxyl ions in 0.01 M aqueous solution of the base would be (AIPMT 2005)
If 0.1 M of a weak acid is taken and its percentage of degree of ionization is 1.34%, then its ionization constant will be (AFMC 2005)
Neutralization of an acid with a base, invariably results in the production of
At 18ºC, the solubility product of AgCl is 1.8 × 10–10. In the solution, the value of [Ag+] is 4 × 10–3mol/litre. The value of [Cl–] to precipitate AgCl from this solution should be greater than
A precipitate of AgCl is formed when equal volumes of the following are mixed. [Ksp for AgCl = 10 –10]
The Ksp of Mg(OH)2 is 1 10 x . 0.01 Mg(OH)2 will precipitate at the limited pH
The precipitation takes place only when the product of concentration of ions
If a saturated solution prepared by dissolving Ag2CO3 in water has Ag 2.56 x . What is the value of Ksp for Ag CO ? (a) 83.9 10 x (b) 8.39 10 x (c) 93.8 10 x (d) 9.38 10 x
Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. Which of the following compounds, would th…
The solubility of AgI in NaI solution is less than that in pure water, because
What is the minimum concentration of required to precipitate BaSO4 in a solution containing 1.0 × 10–4 mole of Ba2+ ? Ksp for BaSO4 = 4 × 10–10
The solubility of BaSO4 in water is 2.33 × 10–3g L–1.Its solubility product will be (molecular weight of BaSO4 = 223)
How many grams of CaC2O4 will dissolve in distilled water to make one litre of saturated solution of it ? (Ksp for CaC2O4 = 2.5 × 10–9mol2 lit–2)
Solubility product of BaCl2 is 4 × 10 –9. Its solubility in moles/litre would be
The correct representation for solubility product of SnS2 is
Which is the correct representation of the solubility product constant of Ag2CrO4
The solubility of CaF2 is ‘s’ moles/litre. Then its solubility product is........
The solubility in water of a sparingly soluble salt AB2 is 1.0 × 10 –5moll –1. Its solubility product number will be
Let the solubility of an aqueous solution of Mg(OH)2 be x then its Ksp is
The solubility product of a salt having general formula MX2, in water is : 4 × 10 –12. The concentration of M 2+ ions in the aqueous solution of the salt is
0.1 M solution of which one of these substances will react basic ?
Which is the correct alternate for hydrolysis constant of NH4CN (a) w a K K (b) w a b K K K x (c) b K c (d) a b K K