Chemistryhard · Past Paper
Which reagent is used in the 'Lucas test' to distinguish between primary, secondary, and tertiary alcohols?
AZnCl2 and HCl
BNaOH and I2
CKMnO4 and H2SO4
DNa metal
✓ Correct Answer: A — ZnCl2 and HCl
Lucas reagent (anhydrous ZnCl2 + conc. HCl) reacts at different rates with different classes of alcohols.
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