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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write one application of the following buffer: HCO3- +H2CO3 - Chemistry

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प्रश्न

Write one application of the following buffer:

`"HCO"_3^-  + "H"_2"CO"_3`

एका वाक्यात उत्तर

उत्तर

pH of blood in our body is maintained at 7.36 –7.42 due to `("HCO"_3^-  + "H"_2"CO"_3)` buffer.

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Buffer Solutions
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पाठ 3: Ionic Equilibria - Short answer questions (Type- II)

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 3 Ionic Equilibria
Short answer questions (Type- II) | Q 2.2

संबंधित प्रश्‍न

Answer the following in one sentence :

How are basic buffer solutions prepared?


Answer the following in one sentence :

Write one property of a buffer solution.


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 :

Cu(OH)2 + CuCl2


Write one application of the following buffer:

Citrate buffer


Write one application of the following buffer:

NH4OH + NH4Cl


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 ______.


What is the pH of 0.5 litre buffer solution containing 0.01 mole of CH3COOH and 0.01 mole of CH3COONa?

[pKa of acid = 4.74]


____________ forms a basic buffer solution.


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 ____________.


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?


Assertion (A): A solution containing a mixture of acetic acid and sodium acetate maintains a constant value of \[\ce{pH}\] on addition of small amounts of acid or alkali.

Reason (R): A solution containing a mixture of acetic acid and sodium acetate acts as a buffer solution around \[\ce{pH}\] 4.75.


Assertion (A): An aqueous solution of ammonium acetate can act as a buffer.

Reason (R): Acetic acid is a weak acid and \[\ce{NH4OH}\] is a weak base.


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.


Explain buffer action of sodium acetate-acetic acid buffer.


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