MCQ (Previous Year Questions) - Ionic Equilibrium (Level 2) - JEE MCQ
16 Questions MCQ Test - MCQ (Previous Year Questions) - Ionic Equilibrium (Level 2)
The degree of dissociation of water at 25°C is 2 × 10-7 % and density is 1.0 g cm-3. The ionization constant for water is - [IIT-1995]
A buffer solution can be prepared from a mixture of -
[IIT-1999]
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The pH of 0.1 M solution of the following salts increases in the order [JEE 1999]
An aqueous soltion of 6.3 g oxalic acid dihydrate is made up to 250 mL. The volume of 0.1 N NaoH required to completely neutralise 10 mL of this solution is : [JEE 2001]
For sparingly soluble salt ApBq, the relationship of its solubility product (Ls) with its solubility (S) is [JEE 2001]
A solution which is 10-3 M each in Mn2+, Fe2+, Zn2+ and Hg2+ is treated with 10-16 M sulphide ion. If Ksp, MnS, FeS, ZnS and HgS are 10-15, 10-23, 10-20 and 10-54 respectively, which one will precipitate first ? [JEE 2003]
HX is a weak acid (Ka = 10-5). It forms a salt NaX (0.1 M) on reacting with caustic soda. The degree of hydrolysis of NaX is [JEE 2004]
CH3NH2 (0.1 mole, Kb = 5 × 10-4) is added to 0.08 moles of HCl and the solution is diluted to one litre, resulting hydrogen ion concentration is [JEE 2005]
Ag+ + NH3 
[Ag(NH3)]+ ; k1 = 3.5 × 10-3
[Ag(NH3)]+ + NH3 
[Ag(NH3)2]+ ;
k2 = 1.7 × 10-3
then the formation constant of [Ag(NH3)2]+ is [JEE 2006]
The species present in solution when CO2 is dissolved in water: [JEE 2006]
Solubility product constant (Ksp) of salts of types MX, MX2 and M3X at temperature 'T' are 4.0 × 10-8, 3.2 × 10-14 and 2.7 × 10-15, respectively. Solubilities (mol. dm-3) of the salts at temperature 'T' are in the order
[JEE 2008]
2.5 mL of 
M weak monoacidic base (Kb = 1 × 10-12 at 25°C) is titrated with 
M HCl in water at 25°C. The concentration of H+ at equivalence point is (Kw = 1 × 10-4 at 25°C) [JEE 2008]
Aqueous solutions of HNO3, KOH, CH3COOH, and CH3COONa of identical cocentrations are provided. The pair(s) of solutions which form a buffer upon mixing is(are). [JEE 2010]
The Ksp of Ag2CrO4 is 1.1 × 10-12 at 298 K. The solubility (in mol/L) of Ag2CrO4 in a 0.1 M AgNO3 solution is [IIT-2013]
The initial rate of hydrolysis of methyl acetate (1M) by a weak acid (HA, 1M) is 1/100th of a strong acid (HX, 1M) at 25ºC. The Ka of HA is [IIT-2013]
The Ksp of Ag2CrO4 is 1.1 × 10-12 at 298 K. The solubility (in mol/L) of Ag2CrO4 in a 0.1 M AgNO3 solution is
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