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
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
A 0.010 M solution of maleic acid, amonoprotic organic acid, is 14% ionized. What is Ka for maleic acid
For a concentrated solution of a weak electrolyte AxBy of concentration C, the degree of dissociation Î± is given as
In Which of the following dissociation of NH4OH will be minimum
assertion : Equilibrium constant has meaning only when the corresponding balanced chemical equation is given.
Reaction : Its value..
Dissociation constant of a weak acid is decreased by
Which will not affect the degree of ionization
Which one of the following is the correct quadratic form of the Ostwalds dilution law equation
In any chemical reaction, equilibrium is supposed to be established when
Assertion : On cooling a freezing mixture, colour of the mixture turns to pink from deep blue for a reaction.
Reason : Reaction ..
The law of mass action was enunciated by
Acetic acid is a weak electrolyte because
Which of the following acids is stronger than benzoic acid (Ka = 6.3*10-5
The free energy for a reversible reaction at equilibrium is
Ionisation depends upon
Chemical equations convey quantitative information on the
Theory of ionization was given by
Ammonium hydroxide is a weak base because
The number of gram molecules of a substance present in unit volume is termed as
Which of the following is non - electrolyte
Which is the false
120 gm of urea are present in 5 litre solution, the active mass of urea is
which of the following statements regarding a chemical equilibrium is wrong
All reactions which have chemical distintegration
Which of the following conditions represents an equilibrium
Which is the generally true about ionic compounds
Which of the following is irreversible reaction
In chemical reaction A - B , the system will be known in equilibrium when
According to law of mass action rate of a chemical reaction is proportional to
The colour of an electrolyte solution depends on
A reversible chemical reaction is having two reactants in equilibrium. If the concentration of the reactants are doubled, then the..
Which of the following is reversible process
Under a given set of experimental conditions, with increase in the concentration of the reactants, the rate of a chemical reaction
Theory of active mass indicates that the rate of chemical reaction is directly proportional to the
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..
In the given reaction N2 + O2 - 2NO, equilibrium means that
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