1.

Primary alcohol can best changed to aldehyde by using the reagent

Answer»

pyridinium chlorochromate
potassium dichromate
potassium permanganate
hydrogen peroxide

Solution :A PRIMARY alcohol first gets oxidised to an aldehyde which is further oxidised to an acid. The REACTION can be stopped at aldehyde stage by using pyridinium chlorochromate `(C_(5)H_(5)NH^(+)CrO_(3)CL^(-))`.


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