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 of the following statements regarding a chemical equilibrium is wrong
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 ..
Which is the false
Chemical equations convey quantitative information on the
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
Which of the following is non - electrolyte
Ionisation depends upon
Which of the following acids is stronger than benzoic acid (Ka = 6.3*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..
In chemical reaction A - B , the system will be known in equilibrium when
Which of the following conditions represents an equilibrium
The law of mass action was enunciated by
Dissociation constant of a weak acid is decreased by
In Which of the following dissociation of NH4OH will be minimum
Which one of the following is the correct quadratic form of the Ostwalds dilution law equation
All reactions which have chemical distintegration
The number of gram molecules of a substance present in unit volume is termed as
The free energy for a reversible reaction at equilibrium is
Under a given set of experimental conditions, with increase in the concentration of the reactants, the rate of a chemical reaction
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
In any chemical reaction, equilibrium is supposed to be established when
120 gm of urea are present in 5 litre solution, the active mass of urea is
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)
The colour of an electrolyte solution depends on
Which is the generally true about ionic compounds
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..
Which of the following is reversible process
In the given reaction N2 + O2 - 2NO, equilibrium means that
For the synthesis of ammonia by the Reaction N2 + 3H2 - 2NH3 in the Haber process,the attainment of equilibrium is correctly predi..
In the reaction AB(g) - A(g) +B(g) at 30Â°C, Kp for the dissociation equilibrium is 2.56*10-2 atm. If the total pressure at equi..
The reaction CaCO3 ~ CaO+CO2 (g) goes to completion in lime kiln because
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