The catalyst used in the oxidation of `1^(@)` alcohol to aldehydes

Which of the following reagents cannot be used for the oxidation of 1^(@) alcohol aldehyde?

Which of the following reagents cannot be used for the oxidation of 1^(@) alcohol aldehyde?

Catalyst used in the oxidation of SO_(2) rarr SO_(3)

The catalyst used in the preparation of an alkyl chloride by the action of dry HCl on an alcohol is

The catalyst used in the preparation of an alkyl chloride by the action of dry HCl on the alcohol is

The catalyst used in the Wacker process of oxidation of ethene to ethanol is:

Catalyst used in the preparation of methyl alcohol from water gas is

Read the passage given below and answer the following questions: Aldehydes, ketones and carboxylic acids are few of the major classes of organic compounds containing carbonyl group. Aldehydes are prepared by dehydrogenation or controlled oxidation of primary alcohols and controlled or selective reduction of acyl halides. Ketones are prepared by oxidation of secondary alcohols and hydration of alkynes. Carboxylic acids are prepared by the oxidation of primary alcohols, aldehydes and alkenes by hydrolysis of nitriles and by treatment of Grignard reagents with carbon dioxide. Name a method by which both aldehydes and ketones can be prepared.