12) The reaction that involves the formation of both C-C and C-O bonds is
a) Diels-alder reaction b) Darzens glycidic ester condensation
c) Aldol reaction
d) Beckmann rearrangement
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Aldol reaction is the right answer
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The reaction that involves the formation of both C-C and C-O bonds is c) Aldol reaction.
- The Diels-alder reaction is an organic reaction that produces a derivative of cyclohexene from a conjugated diene and dienophile. It involves the shifting of pi electrons. No C-O bonds are formed.
- The Darzens glycidic ester condensation causes the condensation of a carbonyl group (an aldehyde or a ketone) with an alpha-halo ester to produce a glycidic ester. In the final product, only new C-C bonds are established.
- The aldol reaction forms β-Hydroxyketones from carbonyl compounds. This reaction forms C-C bonds and C-O bonds (C attaches to a hydroxy group).
- The Beckmann rearrangement reaction involves the rearrangement of an oxime group to substituted amides.
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