A) Fenton's reagent
B) Lucas reagent
C) Schiff?s reagent
D) Tollen?s reagent
Correct Answer: B
Solution :
Lucas reagent can be used for distinguishing the primary, secondary and tertiary alcohols. Lucas reagent is a mixture of cone\[HCl\]and anhydrous\[ZnC{{l}_{2}}\]. \[Tertiary\text{ }alcohol\xrightarrow[reagent]{Lucas}reacts\text{ }immediately\]forming an oily layer in cold. \[Secondary\text{ }alcohol\xrightarrow[reagent]{Lucas}reacts\text{ }within\]5-10 min \[Primary\text{ }alcohol\xrightarrow[reagent]{Lucas}does\text{ }not\text{ }react\]appreciably in cold.
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