A) ethanol and sodium acetate
B) paraldehyde
C) aldol
D) brown resin
Correct Answer: C
Solution :
When two molecules of acetaldehyde are heated with dilute NaOH solution, aldol is obtained. \[C{{H}_{3}}-\underset{H}{\mathop{\underset{|}{\mathop{C}}\,}}\,=O+HC{{H}_{2}}-\underset{H}{\mathop{\underset{|}{\mathop{C}}\,}}\,=O\]\[\xrightarrow{dil.NaOH}C{{H}_{3}}-\underset{H}{\overset{OH}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-C{{H}_{2}}-\underset{H}{\mathop{\underset{|}{\mathop{C}}\,}}\,=O\]
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