Carbonyls

Frage	Antworten
oxidation of primary alcohols gives	Aldehydes
If product	Distilled off as it forms
The oxidising agent is	Acidified K2CrO7
Colour change	Orange to green
But if refluxed with	excess K2CrO7
Then a	Carboxylic acid will form
Give equation for partial oxidation of butan-1-ol	C4H9OH + [O] --> C3H7CHO + H2O
And an equation to show full oxidation	C4H9OH + 2[O] --> C3H7COOH + H2O
During the full oxidation what are the “conditions”	Reflux with an excess of acidified Cr2O72-
What forms on oxidation of propan-2-ol	propanone
Can you oxidiose this further?	No, Ketones cannot be oxidised
Equation for oxidation of ethanal	CH3CHO + [O] --> CH3COOH
Reagent for reduction of carbonyls	NaBH4
Conditions for this reaction	In aqueous or ethanolic soln and refluxed
What forms when carbonyls are reduced	Alcohols
Equation for reduction of propanone	CH3COCH3 + 2[H] --> CH3CH2OHCH3
Name of Mechanism for reaction	Nucleophilic addition
What is the nucleophile	H-

Zusammenfassung der Ressource

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