Advertisements
Advertisements
प्रश्न
In biochemical system, pH of blood in our body is maintained due to the following buffer:
विकल्प
NH4OH + NH4Cl
\[\ce{HCO^-_3 + H2CO3}\]
CH3COOH + CH3COONa
citric acid + Mg(OH)2
उत्तर
\[\ce{HCO^-_3 + H2CO3}\]
APPEARS IN
संबंधित प्रश्न
The ionization constant of benzoic acid is 6.46 × 10–5 and Ksp for silver benzoate is 2.5 × 10–13. How many times is silver benzoate more soluble in a buffer of pH 3.19 compared to its solubility in pure water?
When NH4 Cl and NH4OH are added to a solution containing both, Fe3+ and Ca2+ ions, which ion is precipitated first and why?
A solution of NH4Cl and NH4OH acts as a buffer.
Answer the following in one sentence :
Classify the following buffers into different types :
CH3COOH + CH3COONa
Answer the following in one sentence :
Classify the following buffers into different types :
NH4OH + NH4Cl
The pKb of weak base BOH [Kb(BOH) = 1 × 10-5] will be ______.
Name the buffer which is used to maintained pH of 8 to 10 for precipitation of cations III A group in qualitative analysis.
Define buffer solution.
Explain the types of buffer solutions.
Write one application of the following buffer:
Citrate buffer
Write one application of the following buffer:
`"HCO"_3^- + "H"_2"CO"_3`
A buffer solution contains 0.3 mol dm–3 NH4OH (Kb = 1.8 × 10–5) and 0.4 mol dm–3 NH4Cl. Calculate pOH of the solution.
Veronal is used as a/an ______.
Which will make basic buffer?
The dissociation constant of a weak acid is 1 × 10−3. In order to prepare a buffer solution with a pH = 4, the `(["Acid"])/(["Salt"])` ratio should be ____________.
The hydrogen ion concentration of a buffer solution consisting of a weak acid and its salts is given by ____________.
Ksp of Al(OH)3 is 1 × 10−15 M. At what pH does 1.0 × 10−3 M Al3+ precipitate on the addition of buffer of NH4Cl and NH4OH solution?
Which of the following will produce a buffer solution when mixed in equal volumes?
On the basis of the equation \[\ce{pH}\] = – log \[\ce{[H+]}\], the \[\ce{pH}\] of 10–8 mol dm–3 solution of \[\ce{HCl}\] should be 8. However, it is observed to be less than 7.0. Explain the reason.
Which of the following combinations will constitute a buffer solution?
Calculate the pH of buffer solution composed of 0.01 M weak base BOH and 0.02 M of its salt BA. [Kb = 1.8 × 10–5 for weak base]
Write the applications of buffer solution.
What are buffer solutions?
Calculate pKa of HF if Ka= 7.2 x 10-4.
