Question 1
Question detail
Explain why the thermal decomposition of ammonium chloride is considered a reversible reaction.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Reversible reactions and dynamic equilibrium
Question
Explain why the thermal decomposition of ammonium chloride is considered a reversible reaction.
Answer
The thermal decomposition of ammonium chloride (NH₄cl(s) ⇌ NH₃(g) + Hcl(g)) is reversible because the products, ammonia and hydrogen chloride gases, can recombine to form solid ammonium chloride when the temperature is lowered. This demonstrates that the reaction can proceed in both directions under suitable conditions.
Explanation
The question tests the student’s understandingof the definition of a reversible reaction and the specificexample of ammonium chloride, requiringrecall and application of the concept.
Common mistake
Confusing Thermal Decomposition
Students often describe the thermal decomposition of ammonium chloride without mentioning that it is a reversible reaction.
Always emphasize that thermal decomposition of ammonium chloride can produce both the original reactants and products, highlighting its reversible nature.
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