मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

In biochemical system, pH of blood in our body is maintained due to the following buffer:

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प्रश्न

In biochemical system, pH of blood in our body is maintained due to the following buffer:

पर्याय

  • NH4OH + NH4Cl

  • \[\ce{HCO^-_3 + H2CO3}\]

  • CH3COOH + CH3COONa

  • citric acid + Mg(OH)2

MCQ
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उत्तर

\[\ce{HCO^-_3 + H2CO3}\]

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पाठ 3: Ionic Equilibria - Multiple choice questions

संबंधित प्रश्‍न

Answer the following in one sentence :

How are basic buffer solutions prepared?


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


Answer the following in one sentence :

Classify the following buffers into different types :

Sodium benzoate + benzoic acid


Answer the following in one sentence :

Classify the following buffers into different types :

Cu(OH)2 + CuCl2


The pKb of weak base BOH [Kb(BOH) = 1 × 10-5] will be ______.


Write the formula to calculate pH of buffer solution.


Write one application of the following buffer:

`"HCO"_3^-  + "H"_2"CO"_3`


Write one application of the following buffer:

NH4OH + NH4Cl


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.


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?


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.


Which of the following combinations will constitute a buffer solution?


Define Acidic buffer solution.


Write any four applications of buffer solution.


Calculate pKa of HF if Ka= 7.2 x 10-4.


Explain the types of buffers with example.


What is the pH of buffer solution prepared by mixing \[\text{0.2MNH4OHand0.4MNH4Cl}\] solution. \[(\mathrm{pK_{b}~of~NH_{4}OH=4.620})\]


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