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..
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
assertion : Equilibrium constant has meaning only when the corresponding balanced chemical equation is given.
Reaction : Its value..
For a concentrated solution of a weak electrolyte AxBy of concentration C, the degree of dissociation Î± is given as
A 0.010 M solution of maleic acid, amonoprotic organic acid, is 14% ionized. What is Ka for maleic acid
which of the following statements regarding a chemical equilibrium is wrong
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
Ammonium hydroxide is a weak base because
Assertion : On cooling a freezing mixture, colour of the mixture turns to pink from deep blue for a reaction.
Reason : Reaction ..
Chemical equations convey quantitative information on the
In a chemical chemical equilibrium A+B - C+D , when one mole each of the two reactants are mixed, 0.6 mole each of the products ar..
Degree of dissociation of 0.1N CH3COOH is (Dissociation constant = 1*10-5)
Which will not affect the degree of ionization
The following equilibrium exist in aqueous solution, CH3COOH - CH3COO- + H+ if dil.HCL is added, without change in temperature, th..
The law of mass action was enunciated by
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
The number of gram molecules of a substance present in unit volume is termed as
For the synthesis of ammonia by the Reaction N2 + 3H2 - 2NH3 in the Haber process,the attainment of equilibrium is correctly predi..
Which of the following conditions represents an equilibrium
According to law of mass action rate of a chemical reaction is proportional to
Which is the false
Theory of active mass indicates that the rate of chemical reaction is directly proportional to the
Which of the following acids is stronger than benzoic acid (Ka = 6.3*10-5
Dissociation constant of a weak acid is decreased by
Which one of the following is the correct quadratic form of the Ostwalds dilution law equation
All reactions which have chemical distintegration
In any chemical reaction, equilibrium is supposed to be established when
The free energy for a reversible reaction at equilibrium is
For the reaction C(s) + CO2 -> 2co(g) , Kp = 63 atm at 1000 K. If at equilibrium : Pco = 10Pco2, then the total pressure of the g..
Theory of ionization was given by
Concentration of CN- in 0.1 M HCN is (Ka = 4*10-10)
Which of the following is irreversible reaction
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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