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प्रश्न
Write the formula to calculate pH of buffer solution.
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उत्तर
The formula to calculate the pH of acidic buffer solution is:
pH = pKa + log10 `(["Salt"])/(["Acid"])`
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संबंधित प्रश्न
When NH4 Cl and NH4OH are added to a solution containing both, Fe3+ and Ca2+ ions, which ion is precipitated first and why?
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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 :
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Answer the following in one sentence :
Classify the following buffers into different types :
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The pKb of weak base BOH [Kb(BOH) = 1 × 10-5] will be ______.
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`"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.
____________ forms a basic buffer solution.
The hydrogen ion concentration of a buffer solution consisting of a weak acid and its salts is given by ____________.
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.
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.
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Define Acidic buffer solution.
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What are buffer solutions?
Explain the types of buffers with example.
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A buffer solution is prepared by mixing 0.1 M ammonia solution and 0.25 M solution of NH4CI. What is the value of pKb to maintain its pOH at 6?
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