Short answerEasy1 mark
1(b)
State one relevant observation for each of the following reactions:
A piece of sodium metal is put into ethanol at room temperature.
Topic: Organic chemistry: structure, nomenclature and reactions
Previous-year question practice database
Answer
Exam answer
Effervescence occurs as H₂ is evolved and sodium ethoxide forms.
Explanation
2C₂H₅OH + 2Na → 2C₂H₅ONa + H₂↑.
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