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Which of the following solutions, when mixed, will not form a buffer solution?
- a)100mL 0.1M NaOH + 50mL 0.1M CH3COOH
- b)50mL 0.1M NaOH + 100mL 0.1M CH3COOH
- c)50mL 0.1M NH4OH + 50mL 0.1M CH3COOH
- d)50mL 0.1M HCl + 100mL 0.1M CH3COONa
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which of the following solutions, when mixed, will not form a buffer ...
Buffer Solution is a Solution which Resist change in pH
For a Buffer Solution: Existence of both weak part & its Conjugate is Required.
In (A) As NaOH is more than CH3COOH so, CH3COOH will be the LR (Limiting Reagent) & No Conjugate Part Will Remain.
Community Answer
Which of the following solutions, when mixed, will not form a buffer ...
Explanation:
Buffer solutions are the ones that resist changes in pH when small amounts of acid or base are added to them. They are made up of a weak acid and its conjugate base or a weak base and its conjugate acid.
To form a buffer solution, we need:
- A weak acid or a weak base
- Its conjugate base or conjugate acid
- In nearly equal concentrations
Let's analyze each of the given options:
a) 100mL 0.1M NaOH + 50mL 0.1M CH3COOH: This solution contains a strong base (NaOH) and a weak acid (CH3COOH), which is not a buffer solution.
b) 50mL 0.1M NaOH + 100mL 0.1M CH3COOH: This solution contains a strong base (NaOH) and a weak acid (CH3COOH), which is not a buffer solution.
c) 50mL 0.1M NH4OH + 50mL 0.1M CH3COOH: This solution contains a weak base (NH4OH) and a weak acid (CH3COOH) in nearly equal concentrations, which is a buffer solution.
d) 50mL 0.1M HCl + 100mL 0.1M CH3COONa: This solution contains a strong acid (HCl) and its conjugate base (CH3COONa), which is not a buffer solution.
Therefore, the correct answer is option 'A', as it does not contain a weak acid and its conjugate base in nearly equal concentrations.
Summary:
- Buffer solutions resist changes in pH when small amounts of acid or base are added to them.
- To form a buffer solution, we need a weak acid or base and its conjugate base or acid in nearly equal concentrations.
- Option 'A' does not contain a weak acid and its conjugate base in nearly equal concentrations, so it cannot form a buffer solution.
Buffer solutions are the ones that resist changes in pH when small amounts of acid or base are added to them. They are made up of a weak acid and its conjugate base or a weak base and its conjugate acid.
To form a buffer solution, we need:
- A weak acid or a weak base
- Its conjugate base or conjugate acid
- In nearly equal concentrations
Let's analyze each of the given options:
a) 100mL 0.1M NaOH + 50mL 0.1M CH3COOH: This solution contains a strong base (NaOH) and a weak acid (CH3COOH), which is not a buffer solution.
b) 50mL 0.1M NaOH + 100mL 0.1M CH3COOH: This solution contains a strong base (NaOH) and a weak acid (CH3COOH), which is not a buffer solution.
c) 50mL 0.1M NH4OH + 50mL 0.1M CH3COOH: This solution contains a weak base (NH4OH) and a weak acid (CH3COOH) in nearly equal concentrations, which is a buffer solution.
d) 50mL 0.1M HCl + 100mL 0.1M CH3COONa: This solution contains a strong acid (HCl) and its conjugate base (CH3COONa), which is not a buffer solution.
Therefore, the correct answer is option 'A', as it does not contain a weak acid and its conjugate base in nearly equal concentrations.
Summary:
- Buffer solutions resist changes in pH when small amounts of acid or base are added to them.
- To form a buffer solution, we need a weak acid or base and its conjugate base or acid in nearly equal concentrations.
- Option 'A' does not contain a weak acid and its conjugate base in nearly equal concentrations, so it cannot form a buffer solution.
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Which of the following solutions, when mixed, will not form a buffer solution?a)100mL 0.1M NaOH + 50mL 0.1M CH3COOHb)50mL 0.1M NaOH + 100mL 0.1M CH3COOHc)50mL 0.1M NH4OH + 50mL 0.1M CH3COOHd)50mL 0.1M HCl + 100mL 0.1M CH3COONaCorrect answer is option 'A'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which of the following solutions, when mixed, will not form a buffer solution?a)100mL 0.1M NaOH + 50mL 0.1M CH3COOHb)50mL 0.1M NaOH + 100mL 0.1M CH3COOHc)50mL 0.1M NH4OH + 50mL 0.1M CH3COOHd)50mL 0.1M HCl + 100mL 0.1M CH3COONaCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following solutions, when mixed, will not form a buffer solution?a)100mL 0.1M NaOH + 50mL 0.1M CH3COOHb)50mL 0.1M NaOH + 100mL 0.1M CH3COOHc)50mL 0.1M NH4OH + 50mL 0.1M CH3COOHd)50mL 0.1M HCl + 100mL 0.1M CH3COONaCorrect answer is option 'A'. Can you explain this answer?.
Which of the following solutions, when mixed, will not form a buffer solution?a)100mL 0.1M NaOH + 50mL 0.1M CH3COOHb)50mL 0.1M NaOH + 100mL 0.1M CH3COOHc)50mL 0.1M NH4OH + 50mL 0.1M CH3COOHd)50mL 0.1M HCl + 100mL 0.1M CH3COONaCorrect answer is option 'A'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which of the following solutions, when mixed, will not form a buffer solution?a)100mL 0.1M NaOH + 50mL 0.1M CH3COOHb)50mL 0.1M NaOH + 100mL 0.1M CH3COOHc)50mL 0.1M NH4OH + 50mL 0.1M CH3COOHd)50mL 0.1M HCl + 100mL 0.1M CH3COONaCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following solutions, when mixed, will not form a buffer solution?a)100mL 0.1M NaOH + 50mL 0.1M CH3COOHb)50mL 0.1M NaOH + 100mL 0.1M CH3COOHc)50mL 0.1M NH4OH + 50mL 0.1M CH3COOHd)50mL 0.1M HCl + 100mL 0.1M CH3COONaCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Which of the following solutions, when mixed, will not form a buffer solution?a)100mL 0.1M NaOH + 50mL 0.1M CH3COOHb)50mL 0.1M NaOH + 100mL 0.1M CH3COOHc)50mL 0.1M NH4OH + 50mL 0.1M CH3COOHd)50mL 0.1M HCl + 100mL 0.1M CH3COONaCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE.
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