JEE Main 2005 Chemistry question

The best reagent to convert pent -3- en-2-ol into pent -3-en-2-one is

(1)Acidic permanganate
(2)Acidic dichromate
(3)Chromic anhydride in glacial acetic acidCorrect
(4)Pyridinium chloro – chromateCorrect

Answer: (3),(4)

Solution

The secondary alcohol must be oxidised to a ketone without attacking the C=C bond. Strong aqueous oxidants such as acidic or acidic dichromate also oxidise/cleave the double bond, so (1), (2) are unsuitable. Chromic anhydride () in

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-038621