1.

The best reagent to convert pent-3-en-2-ol into pent-3-in-2-one is          [AIEEE 2005]

A.                 Acidic permanganate    
B.                 Acidic dichromate
C.                 Chromic anhydride in glacial acetic acid
D.                 Pyridinium chloro-chromate
Answer» D.                 Pyridinium chloro-chromate


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