A weak monobasic acid is 1% ionized in 0.1 M solution at 25Â°C. The percentage of ionization in its 0.025 M solution is
In Which of the following dissociation of NH4OH will be minimum
The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, Ka of the acid is
0.2 molar solution of formic acid is ionized 3.2%. Its ionization constant is
A 0.010 M solution of maleic acid, amonoprotic organic acid, is 14% ionized. What is Ka for maleic acid
If Î± is the degree of ionization, C the concentration and of a weak electrolyte and Ka the acid ionization constant, then the c..
The values of dissociation constants of same acid (at 25Â° C) are as follows. Indicate which is the strongest acid in water
For a concentrated solution of a weak electrolyte AxBy of concentration C, the degree of dissociation Î± is given as
assertion : Equilibrium constant has meaning only when the corresponding balanced chemical equation is given.
Reaction : Its value..
Assertion : On cooling a freezing mixture, colour of the mixture turns to pink from deep blue for a reaction.
Reason : Reaction ..
Which will not affect the degree of ionization
Acetic acid is a weak electrolyte because
In any chemical reaction, equilibrium is supposed to be established when
Dissociation constant of a weak acid is decreased by
The law of mass action was enunciated by
Which one of the following is the correct quadratic form of the Ostwalds dilution law equation
A reversible chemical reaction is having two reactants in equilibrium. If the concentration of the reactants are doubled, then the..
The free energy for a reversible reaction at equilibrium is
Ionisation depends upon
Which of the following is non - electrolyte
5 moles of SO2 and 5 moles of O2 are allowed to react. At equilibrium, it was found that 60 per of SO2 is used up. If the total pr..
Chemical equations convey quantitative information on the
Theory of ionization was given by
A 20 litre contact at 400 K contact C02 (g) at pressure 0.4 atm and an excess of Sr0 (neglected the volume of solid Sr0 ). the vol..
Which of the following acids is stronger than benzoic acid (Ka = 6.3*10-5
The number of gram molecules of a substance present in unit volume is termed as
Which of the following conditions represents an equilibrium
Which is the false
Ammonium hydroxide is a weak base because
In chemical reaction A - B , the system will be known in equilibrium when
which of the following statements regarding a chemical equilibrium is wrong
Which of the following is irreversible reaction
According to law of mass action rate of a chemical reaction is proportional to
Final pressure is higher than initial pressure of a container filled with an ideal gas at constant temperature. What will be the v..
120 gm of urea are present in 5 litre solution, the active mass of urea is
The colour of an electrolyte solution depends on
Which is the generally true about ionic compounds
All reactions which have chemical distintegration
A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volu..
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