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1 M NaCl and 1 M HCl are present in an aqueous solution. The solution is
- a)Not a buffer solution and with pH < 7
- b)Not a buffer solution with pH > 7
- c)A buffer solution with pH < 7
- d)A buffer solution with pH > 7
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
1 M NaCl and 1 M HCl are present in an aqueous solution. The solution ...
NaCl + HCl : Not the Buffer and Solution is acidic due to HCl.
⇒ pH < 7.
⇒ pH < 7.
Most Upvoted Answer
1 M NaCl and 1 M HCl are present in an aqueous solution. The solution ...
Understanding Buffer Solutions
A buffer solution is defined as a system that can resist changes in pH upon the addition of small amounts of acids or bases. Typically, it consists of a weak acid and its conjugate base or a weak base and its conjugate acid.
Components of the Solution
- 1 M NaCl: Sodium chloride is a neutral salt that does not contribute to the acidity or basicity of the solution. It dissociates completely into Na+ and Cl- ions in water.
- 1 M HCl: Hydrochloric acid is a strong acid that dissociates completely in water, providing a high concentration of H+ ions, which significantly lowers the pH of the solution.
Reason for Not Being a Buffer
- No Weak Acid or Base: The presence of HCl, a strong acid, means there is no weak acid or its conjugate base to create a buffer system.
- pH Level: The solution will have a low pH due to the high concentration of H+ ions from HCl, typically around 0, not 7.
Conclusion
Therefore, the solution containing 1 M NaCl and 1 M HCl is:
- Not a buffer solution: It cannot resist pH changes due to the complete dissociation of HCl.
- Not at pH 7: The pH is significantly lower than 7 due to the strong acid present.
Thus, the correct answer is option 'A': Not a buffer solution and with pH < 7.="" />
A buffer solution is defined as a system that can resist changes in pH upon the addition of small amounts of acids or bases. Typically, it consists of a weak acid and its conjugate base or a weak base and its conjugate acid.
Components of the Solution
- 1 M NaCl: Sodium chloride is a neutral salt that does not contribute to the acidity or basicity of the solution. It dissociates completely into Na+ and Cl- ions in water.
- 1 M HCl: Hydrochloric acid is a strong acid that dissociates completely in water, providing a high concentration of H+ ions, which significantly lowers the pH of the solution.
Reason for Not Being a Buffer
- No Weak Acid or Base: The presence of HCl, a strong acid, means there is no weak acid or its conjugate base to create a buffer system.
- pH Level: The solution will have a low pH due to the high concentration of H+ ions from HCl, typically around 0, not 7.
Conclusion
Therefore, the solution containing 1 M NaCl and 1 M HCl is:
- Not a buffer solution: It cannot resist pH changes due to the complete dissociation of HCl.
- Not at pH 7: The pH is significantly lower than 7 due to the strong acid present.
Thus, the correct answer is option 'A': Not a buffer solution and with pH < 7.="" />
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1 M NaCl and 1 M HCl are present in an aqueous solution. The solution isa)Not a buffer solution and with pH < 7b)Not a buffer solution with pH > 7c)A buffer solution with pH < 7d)A buffer solution with pH > 7Correct answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about 1 M NaCl and 1 M HCl are present in an aqueous solution. The solution isa)Not a buffer solution and with pH < 7b)Not a buffer solution with pH > 7c)A buffer solution with pH < 7d)A buffer solution with pH > 7Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 1 M NaCl and 1 M HCl are present in an aqueous solution. The solution isa)Not a buffer solution and with pH < 7b)Not a buffer solution with pH > 7c)A buffer solution with pH < 7d)A buffer solution with pH > 7Correct answer is option 'A'. Can you explain this answer?.
1 M NaCl and 1 M HCl are present in an aqueous solution. The solution isa)Not a buffer solution and with pH < 7b)Not a buffer solution with pH > 7c)A buffer solution with pH < 7d)A buffer solution with pH > 7Correct answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about 1 M NaCl and 1 M HCl are present in an aqueous solution. The solution isa)Not a buffer solution and with pH < 7b)Not a buffer solution with pH > 7c)A buffer solution with pH < 7d)A buffer solution with pH > 7Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 1 M NaCl and 1 M HCl are present in an aqueous solution. The solution isa)Not a buffer solution and with pH < 7b)Not a buffer solution with pH > 7c)A buffer solution with pH < 7d)A buffer solution with pH > 7Correct answer is option 'A'. Can you explain this answer?.
Solutions for 1 M NaCl and 1 M HCl are present in an aqueous solution. The solution isa)Not a buffer solution and with pH < 7b)Not a buffer solution with pH > 7c)A buffer solution with pH < 7d)A buffer solution with pH > 7Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11.
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