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Give the structural difference of aldehy...

Give the structural difference of aldehydic & ketonic groups.

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An aldehyde group (-CHO) is a carbonyl group in which one valency of the carbonyl carbon is satisfied by a H - atom, and the other valaency is satisfied by another H - atom or an alkyl group. On the other hand, keto group is also a carbonyl group in which two valencies of the carbonyl carbon are satisfied by two alkyl groups.
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