Chemistry-
General
Easy
Question
Which of the following pairs constitutes buffer?
and 
and 
and 
and 
and and and and The correct answer is: and
The mixture containing a weak acid 
and its conjugate base 
acts as acidic buffer.
Related Questions to study
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Which one of the following pair shows buffer’s solution?
Which one of the following pair shows buffer’s solution?
Chemistry-General
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Aqueous solutions of two acids having same concentrations of common ion 
are called:
Aqueous solutions of two acids having same concentrations of common ion are called:
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. What is the effect of the increase of temperature on the equilibrium of the reaction?
. What is the effect of the increase of temperature on the equilibrium of the reaction?
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In the titration of 
, the indicator used is
In the titration of , the indicator used is
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1 mole of 
are taken initially in a 2 L vessel. The number of moles of 
at equilibrium is 0.2. Then, the number of moles of 
at equilibrium are
1 mole of are taken initially in a 2 L vessel. The number of moles of at equilibrium is 0.2. Then, the number of moles of at equilibrium are
Chemistry-General
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For the reaction, 
, if the initial concentration of 
mol/L of hydrogen is consumed at equilibrium, the correct expression of 
is
For the reaction, , if the initial concentration of mol/L of hydrogen is consumed at equilibrium, the correct expression of is
Chemistry-General
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Of the following which change will shift the reaction towards the product? 
Of the following which change will shift the reaction towards the product?
Chemistry-General
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forHCN is 
at 
. For maintaining a constant 
, the volume of 5 M KCN solution required to be added to 10 mL of 2 M HCN solution is
forHCN is at . For maintaining a constant , the volume of 5 M KCN solution required to be added to 10 mL of 2 M HCN solution is
Chemistry-General
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When 
is heated at a constant temperature in a closed container, the pressure due to 
produced will:
When is heated at a constant temperature in a closed container, the pressure due to produced will:
Chemistry-General
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Which favours the backward reaction in a chemical equilibrium?
Which favours the backward reaction in a chemical equilibrium?
Chemistry-General
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In 
may have:
In may have:
Chemistry-General
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The 
ion concentration in 
acetic acid is 
The 
ion concentration of 
is added to a 
of 
will be:
The ion concentration in acetic acid is The ion concentration of is added to a of will be:
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Which of the following is a buffer?
Which of the following is a buffer?
Chemistry-General
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is … than 
.
is … than .
Chemistry-General
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The equilibrium constant 
for 
is 1.1, Gas 
will have molar concentration greater than 1 if :
The equilibrium constant for is 1.1, Gas will have molar concentration greater than 1 if :
Chemistry-General
