Worked Example
Reasoning practice 4
For Class 11 Chemistry, explain or solve a ionic equilibrium and ph question from the chapter "Equilibrium". Focus on reasoning practice and show the working clearly.
Step-by-step solution path
- Read the topic idea: Ionic Equilibrium and pH.
- Recall the core explanation from the chapter: Physical and chemical equilibrium, law of mass action, Le Chatelier's principle, pH, buffers.
- Use the related formula "Henderson-Hasselbalch" as the main tool while solving.
- Write the reasoning in simple school-level language before the final answer.
Final learning answer
This example is centred on Ionic Equilibrium and pH. A strong solution should identify the correct data, apply Henderson-Hasselbalch, and explain each transition instead of jumping directly to the answer.
Related formula
Henderson-Hasselbalch
pH = pKa + log([A⁻]/[HA])