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Assertion : HCl produces hydronium ions (H3O+) and chloride ions (Cl-) in aqueous solution.
Reason : In presence of water, bases give H+ ions.
  • a)
    Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
  • b)
    Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
  • c)
    Assertion (A) is true but reason (R) is false.
  • d)
    Assertion (A) is false but reason (R) is true.
  • e)
    Both Assertion and Reason are false.
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Assertion : HCl produces hydronium ions (H3O+) and chloride ions (Cl-)...
  • Assertion (A): HCl produces hydronium ions (H3O+) and chloride ions (Cl-) in aqueous solution.
    • This statement is true. When hydrogen chloride (HCl) dissolves in water, it dissociates completely into hydronium ions (H3O+) and chloride ions (Cl-). The reaction can be represented as: 
  • Reason (R): In presence of water, bases give H+ ions.
    • This statement is false. Bases do not give H+ ions in water; they give OH- ions instead. The presence of OH- ions characterizes a basic solution, not H+ ions.
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Assertion : HCl produces hydronium ions (H3O+) and chloride ions (Cl-)...
Assertion and Reason Analysis
The question involves evaluating the validity of the assertion and reason regarding HCl and its behavior in an aqueous solution.
Assertion (A)
- HCl (hydrochloric acid) indeed dissociates in water to form hydronium ions (H3O+) and chloride ions (Cl-).
- The dissociation can be represented as:
- HCl → H3O+ + Cl-
This assertion is true.
Reason (R)
- The reason states that in the presence of water, bases give H+ ions.
- This statement is misleading because it focuses on bases rather than acids. While bases do indeed produce OH- ions in water, they do not directly produce H+ ions.
- Instead, acids like HCl donate H+ ions to water, forming H3O+.
This reason is false.
Conclusion
- Since the assertion is true and the reason is false, the correct answer is option 'C': Assertion (A) is true but reason (R) is false.
Key Takeaway
- HCl in Water: Forms H3O+ and Cl-.
- Misleading Reason: Focuses on bases instead of acids, making it false.
Understanding these concepts is crucial for grasping the behavior of acids and bases in aqueous solutions.
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