The values of dissociation constants of same acid (at 25Â° C) are as follows. Indicate which is the strongest acid in water
0.2 molar solution of formic acid is ionized 3.2%. Its ionization constant is
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
The degree of dissociation of 0.1 M HCN solution is 0.01%. Its ionisation constant would be
A 0.010 M solution of maleic acid, amonoprotic organic acid, is 14% ionized. What is Ka for maleic acid
Acetic acid is a weak electrolyte because
For a concentrated solution of a weak electrolyte AxBy of concentration C, the degree of dissociation Î± is given as
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 pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, Ka of the acid is
assertion : Equilibrium constant has meaning only when the corresponding balanced chemical equation is given.
Reaction : Its value..
Which will not affect the degree of ionization
The free energy for a reversible reaction at equilibrium is
Which of the following acids is stronger than benzoic acid (Ka = 6.3*10-5
Assertion : On cooling a freezing mixture, colour of the mixture turns to pink from deep blue for a reaction.
Reason : Reaction ..
which of the following statements regarding a chemical equilibrium is wrong
Dissociation constant of a weak acid is decreased by
Ammonium hydroxide is a weak base because
The following equilibrium exist in aqueous solution, CH3COOH - CH3COO- + H+ if dil.HCL is added, without change in temperature, th..
According to law of mass action rate of a chemical reaction is proportional to
Theory of active mass indicates that the rate of chemical reaction is directly proportional to the
Chemical equations convey quantitative information on the
Which of the following is non - electrolyte
Ionisation depends upon
In Which of the following dissociation of NH4OH will be minimum
In chemical reaction A - B , the system will be known in equilibrium when
Which of the following conditions represents an equilibrium
Which is the false
The law of mass action was enunciated by
Theory of ionization was given by
Which one of the following is the correct quadratic form of the Ostwalds dilution law equation
Concentration of CN- in 0.1 M HCN is (Ka = 4*10-10)
All reactions which have chemical distintegration
Which of the following is irreversible reaction
The number of gram molecules of a substance present in unit volume is termed as
Degree of dissociation of 0.1N CH3COOH is (Dissociation constant = 1*10-5)
Which is the generally true about ionic compounds
In any chemical reaction, equilibrium is supposed to be established when
Under a given set of experimental conditions, with increase in the concentration of the reactants, the rate of a chemical reaction
120 gm of urea are present in 5 litre solution, the active mass of urea is
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