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When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated because
- a)HCl is highly ionised in solution
- b)HCl is highly soluble in water
- c)The solubility product of NaCl is lowered by HCl
- d)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaCl
Correct answer is option 'D'. Can you explain this answer?
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Explanation:
- When HCl gas is passed through a saturated solution of common salt (NaCl), the following reaction takes place:
HCl (g) + NaCl (aq) → NaCl (s) + HCl (aq)
- This means that the HCl gas reacts with the NaCl in the solution to form solid NaCl and aqueous HCl.
- The reason why pure NaCl is precipitated is because of the following:
- The solubility product of NaCl is the product of the concentrations of its ions in a saturated solution. It is given by the equation Ksp = [Na⁺][Cl⁻].
- When HCl is added to the solution, it reacts with the NaCl to form H⁺ and Cl⁻ ions. This means that the concentration of both Na⁺ and Cl⁻ ions decreases.
- However, the concentration of H⁺ and Cl⁻ ions increases. This means that the ionic product of [H⁺][Cl⁻] in the solution exceeds the solubility product of NaCl.
- When this happens, the excess H⁺ and Cl⁻ ions combine to form HCl molecules, which are in the gaseous state. This reduces the concentration of both H⁺ and Cl⁻ ions in the solution, thereby lowering the ionic product below the solubility product.
- As a result, Na⁺ and Cl⁻ ions combine to form solid NaCl, which precipitates out of the solution.
- Therefore, the correct answer is option 'D': The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaCl.
- When HCl gas is passed through a saturated solution of common salt (NaCl), the following reaction takes place:
HCl (g) + NaCl (aq) → NaCl (s) + HCl (aq)
- This means that the HCl gas reacts with the NaCl in the solution to form solid NaCl and aqueous HCl.
- The reason why pure NaCl is precipitated is because of the following:
- The solubility product of NaCl is the product of the concentrations of its ions in a saturated solution. It is given by the equation Ksp = [Na⁺][Cl⁻].
- When HCl is added to the solution, it reacts with the NaCl to form H⁺ and Cl⁻ ions. This means that the concentration of both Na⁺ and Cl⁻ ions decreases.
- However, the concentration of H⁺ and Cl⁻ ions increases. This means that the ionic product of [H⁺][Cl⁻] in the solution exceeds the solubility product of NaCl.
- When this happens, the excess H⁺ and Cl⁻ ions combine to form HCl molecules, which are in the gaseous state. This reduces the concentration of both H⁺ and Cl⁻ ions in the solution, thereby lowering the ionic product below the solubility product.
- As a result, Na⁺ and Cl⁻ ions combine to form solid NaCl, which precipitates out of the solution.
- Therefore, the correct answer is option 'D': The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaCl.
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When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated becausea)HCl is highly ionised in solutionb)HCl is highly soluble in waterc)The solubility product of NaCl is lowered by HCld)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaClCorrect answer is option 'D'. Can you explain this answer?
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When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated becausea)HCl is highly ionised in solutionb)HCl is highly soluble in waterc)The solubility product of NaCl is lowered by HCld)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaClCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated becausea)HCl is highly ionised in solutionb)HCl is highly soluble in waterc)The solubility product of NaCl is lowered by HCld)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaClCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated becausea)HCl is highly ionised in solutionb)HCl is highly soluble in waterc)The solubility product of NaCl is lowered by HCld)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaClCorrect answer is option 'D'. Can you explain this answer?.
When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated becausea)HCl is highly ionised in solutionb)HCl is highly soluble in waterc)The solubility product of NaCl is lowered by HCld)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaClCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated becausea)HCl is highly ionised in solutionb)HCl is highly soluble in waterc)The solubility product of NaCl is lowered by HCld)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaClCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipiated becausea)HCl is highly ionised in solutionb)HCl is highly soluble in waterc)The solubility product of NaCl is lowered by HCld)The ionic product of [Na⁺][Cl⁻] exceeds the solubility product of NaClCorrect answer is option 'D'. Can you explain this answer?.
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