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प्रश्न
Choose the most correct answer:
Which of the Na following is a buffer solution?
पर्याय
CH3COONa + NaCl in water
CH3COOH + HCl in water
CH3COOH + CH3COONa in water
HCl + NH4Cl in water
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उत्तर
CH3COOH + CH3COONa in water
Explanation:
A buffer solution is a water-based mixture of a weak acid and its conjugate base. It could potentially be a combination of a weak base and its conjugate base.
In the given, only option C has weak acid CH3COOH and its conjugate base CH3COONa
Option A has a strong base and its conjugate base.
Options D and B are not buffer solutions as they contain strong acids HCl.
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?
A solution of NH4Cl and NH4OH acts as a buffer.
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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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Answer the following in one sentence :
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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.
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Explain the types of buffers with example.
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