This alkene can be prepared via Wittig reaction. Draw structural formulas for the aldehyde and the Wittig reagent.

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Answer:

aldehyde and wittig reagent

Explanation:

Alkenes are the organic compounds with at least one c=c. They are homologous series with the general molecular formula of CnH2n.

The symbol R in the uploaded file is an alkyl, which has general formula of CnH2n+1.

Wittig reagent contains Phosphine with phosphorus and an oxygen atom  the number (n) in the alkyl groups determines the number of carbon atoms in the resulting alkene.  

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Answer: check explanation

Explanation:

Wittig reaction is the reaction of carbonyls(ketones or aldehydes) with the wittig reagent to form alkenes. The wittig reagent is a ylide from phosphonium salts or organophosphorus. The wittig reagent has opposite charges on adjacent atoms.

The process or mechanism of wittig Reaction are listed below;

(1). The first thing that will occur is a nucleophilic reaction on the carbonyl.

(2). This is followed by a formation of a ring containing four members.

(3). Finally, we have the breakage of the bonds to form the alkenes(s)

The reaction can proceed in both the fast way and the slow way.

PS: (1). check attached file for the reaction.

(2).The product is the alkenes that was given in the question.

Ver imagen codedmog101