Tiêu đề Alchols, Phenols and Ehers.pdf ✅

ALCOHOLS, PHENOLS and ETHERS METHODS OF PREPARATIONS FROM GRIGNARD REAGENTS Solubility of alcohol increase in branching n < iso < neo (Isomeric). Relative order of reactivity (i) 1° > 2° > 3° (O–H bond fission) (ii) 3° > 2° > 1° > (C–O bond fission) (iii) 3° > 2° > 1° (Dehydration)
DEHYDROGENATIONS Reagent PCC /PDC Anhy.CrO3 No Reaction K2Cr2O7/H⊕ KMnO4/H+/OH− /D Jones Reagent + No Reaction Cu/500oC Lucas Reagent HCl/ZnCl2 Cloudiness appear upon heating after 30 mins. within five min. Immediately VICTOR MEYER’S TEST P/I2 AgNO2 HNO2 Nitrolic acid Blue colour No reaction Colourless NaOH Red Colour No reaction ETHERS(GMP and (REACTIONS)
PHENOLS (GMP and (REACTIONS) PHENOLS (PROPERTIES)