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प्रश्न
Which will make basic buffer?
पर्याय
50 mL of 0.1 M NaOH + 25 mL of 0.1 M CH3COOH
100 mL of 0.1 M CH3COOH + 100 mL of 0.1 M NH4OH
100 mL of 0.1 M HCI + 200 mL of 0.1 M NH4OH
100 mL of 0.1 M HCI + 100 mL of 0.1 M NaOH
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उत्तर
100 mL of 0.1 M HCI + 200 mL of 0.1 M NH4OH
Explanation:
Basic buffer is the solution which has weak base and its salt
\[\ce{\underset{200 ml}{NH4OH} + \underset{100 ml}{HCl} -> \underset{Salt}{NH4Cl} + H2O + \underset{(100 ml weak base)}{NH4OH}}\]
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संबंधित प्रश्न
Choose the most correct answer:
Which of the Na following is a buffer solution?
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 :
Cu(OH)2 + CuCl2
Name the buffer which is used to maintained pH of 8 to 10 for precipitation of cations III A group in qualitative analysis.
Write the formula to calculate pH of buffer solution.
Write one application of the following buffer:
NH4OH + NH4Cl
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]
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.
Which of the following combinations will constitute a buffer solution?
