At a certain temperature, the solubility of the salt, MmAn in water is s mol/L. The solubility product of the salt is
MmAn
(m + n)sm + n
mmnnsm + n
mmAns
The pKa value of (I) 2 - bromo propanoic acid, (II) 2-fluoro propanoic acid, (III) 3 - fluoro propanoic acid, (IV) 3- bromo propanoic acid decreases as
I > III > IV > II
II > IV > III > I
I > IV > III > II
IV > I > III > II
Which of the following pairs will show common ion effect?
Barium chloride + Barium sulphate
Silver cyanide + Potassium nitrite
Ammonium hydroxide + Ammonium chloride
Sodium chloride + Hydrogen chloride
The unit of equilibrium constant for the following reaction is
mol L-1
L mol-1
mol-1 L-1
equilibrium constant is unitless
B.
L mol-1
If the equilibrium constant for reaction (i) is 2, what is the equilibrium constant for reaction (ii)?
CO2 CO +
2CO2 + O2 2CO2 ...(ii)
1/4
1/2
1
2
For a gas in equilibrium with a liquid, the ratio of the concentration of the gas in the solution phase to that in the gaseous phase is constant at constant temperature, only if molecules undergo
ionisation
dissociation
isolation
reaction with solvent
Which of the following comments about the following equilibrium reaction is the most correct?
The equilibriumlies mostly to the right
The equilibrium lies mostly to the left
The equilibrium is exactly in between where the concentration of each of the reactants is exactly equal to the concentration of each of the products
The equilibrium depends on the temperature of the equilibrium reaction