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

Oxidation of alcohols

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Dehydrogenation of alcohol

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Oxidation by

H I O_{4}

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Dehydration of alkynes

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Solution

The correct option is D Dehydration of alkynes
Aldehydes and ketones can be prepared from the following methods:
1) Oxidation of alcohols
2) Dehydrogenation of alcohol
3) Oxidation by $H I O_{4}$
4) Hydration of alkynes
5) Ozonolysis of alkynes

Hence, the correct answer is option (d).

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Hydroboration

Standard XII Chemistry

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

The correct option is D Dehydration of alkynesAldehydes and ketones can be prepared from the following methods: 1) Oxidation of alcohols 2) Dehydrogenation of alcohol 3) Oxidation by HIO4 4) Hydration of alkynes 5) Ozonolysis of alkynes Hence, the correct answer is option (d).

The correct option is D Dehydration of alkynes
Aldehydes and ketones can be prepared from the following methods:
1) Oxidation of alcohols
2) Dehydrogenation of alcohol
3) Oxidation by $H I O_{4}$
4) Hydration of alkynes
5) Ozonolysis of alkynes

Hence, the correct answer is option (d).