A) lodoform test
B) Lucas lest
C) Benedict's test
D) Tollen's test
Correct Answer: D
Solution :
[d] Lucas test Aldehydes are easily oxidised to carboxylic acids containing same number of carbon atoms. They reduce Tollen's reagent, Benedict's solution. But in lucas test, zinc chloride in cone. (HCl) [Lucas reagent] is used to classify alcohols of low molecular weight. Aldehydes cannot give Lucas test.
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