19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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)
Review the equilibrium and choose the correct statement HClO4 + H2O H3O + + ClO4 –
The solubility of AgCl at 20ºC is 1.435 × 10–3gm/lit. The solubility product of AgCl is
The solubility product of barium sulphate is 1.5 × 10–9 at 18ºC. Its solubility in water at 18ºC is
At 298 K, the solubility product of PbCl2 is 1 10 x . What will be the solubility of PbCl2 in moles/litre
Solubility of AgCl will be minimum in
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
The aqueous solution of FeCl3 is acidic due to
The dissociation constant of CH3COOH is 1.8 × 10–5. The hydrolysis constant for 0.1 M sodium acetate is
A white salt is readily soluble in water and gives a colourless solution with a pH of about 9. The salt would be
How many moles of HCOONa must be added to 1L of 0.1 M HCOOH to prepare a buffer solution with a pH of 3.4 ? (Given : Ka for HCOOH = 2 × 10 –4); (10-0.3 = 0.5)
The dissociation constant of HCN is 5 × 10 –10. The pH of the solution prepared by mixing 1.5 mole of HCN and 0.15 moles of KCN in water and making up the total volume to 0.5 dm 3 is
In a mixture of a weak acid and its salt, the ratio of concentration of acid to salt is increased ten-fold. The pH of the solution