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11 grade chemistry others

When ammonium chloride is added to ammonia solution, the pH of the resulting solution will be:

  • (A) Increased
  • (B) Seven
  • (C) Decreased
  • (D) Not changed

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10 Months agoGrade
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1 Answer

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ApprovedApproved Tutor Answer10 Months ago

When ammonium chloride is added to an ammonia solution, the pH of the resulting solution will be:

Understanding the Reaction

Ammonium chloride (NH4Cl) is a salt that dissociates in water to produce ammonium ions (NH4+) and chloride ions (Cl-). The ammonium ion can donate a proton (H+), which affects the acidity of the solution.

Effect on pH

  • Ammonia (NH3) is a weak base.
  • When NH4Cl is added, the NH4+ ions increase the concentration of protons in the solution.
  • This results in a decrease in pH, making the solution more acidic.

Final Answer

The correct choice is (C) Decreased.

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