Ketones can be prepared by:

Clemmensen's reduction

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Cannizzaro reaction

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Rosenmund's reduction

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Oppenauer's oxidation

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Solution

The correct option is D Oppenauer's oxidation
Oppenauer Oxidation is the process of conversion of secondary alcohols to ketones by selective oxidation. This reaction is named after Rupert Viktor Oppenauer. Oxidation reaction takes place in the presence of $[A l (i - P r o)_{3}]$ in excess of acetone.

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Q. Can ketones be prepared by Jones reagent?

Q. Which of the following methods can not be used for the preparation of aldehydes and ketones?

Q. Ketones and aledehydes can be distinguished by their reaction with:

Which of the following is true regarding preparation of aldehydes and ketones ?
(i) Both can be prepared by the oxidation of the concerned alcohol with copper at about $250^{\circ} C$
(ii) Both can be prepared by the oxidation of the concerned alcohol by oppenauer oxidation.
(iii) Both can be prepared by the oxidation of respective alcohol with acidic dichromate.

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Ketones can be prepared by:

The correct option is D Oppenauer's oxidationOppenauer Oxidation is the process of conversion of secondary alcohols to ketones by selective oxidation. This reaction is named after Rupert Viktor Oppenauer. Oxidation reaction takes place in the presence of [Al(i-Pro)3] in excess of acetone.