No need to answer part B. I just need to confirm my answers for part A and C. Th

Question

No need to answer part B. I just need to confirm my answers for part A and C. Thank you!

2. You are a fragrance chemist and you are interested in making a candle that smells like pumpkin spice. After some research, you decide that you will use the two scented molecules below: cis-3-hexen-1-ol, the naturally occurring molecule in pumpkin, and cinnamaldehyde, the molecule responsible for the smell of cinnamon. Answer the following questions. (0 points total) OH cis-3-hexen-1-ol cinnamaldehyde a. To make your candle, you first isolated crude mixtures of molecules from cinnamon and pumpkin. You combined all your crude fragrances and analyze your mixture by TLC. Below is the TLC plate that you ran using 1:1 hexanes to ethyl acetate and visualized by UV and KMnoa staining. Lane i is cis-3-hexen 1-ol authentic product, lane 2 is cinnamaldehyde authentic product, and lane 3 is your crude mixture. KMno4 UV 1 2 3 1 2 3 The spots of your mixture have been arbitrarily labeled A,B, and Con the KMnos-stained TLC plate Identify which of these spots correspond to cinnamaldehyde and cis-3-hexen respectively. Place your answers below. (2 points) Cinnamaldehyde Cis-3-Hexen-1-ol: b. Based on your answer to part (a state one reason why spot Bis only visible by staining and not UV irradiation. Be sure to rationalize your answer based on the structure of B. (2 points) c. You identify the third fragrant molecule in your crude mixture to be eugenol, the scent found in cloves. HO eugenol You decide to isolate eugenol from your crude mixture using an extraction. You first dissolve your crude mixture in dichloromethane. Name an aqueous solution you would use to extract eugenol into the aqueous

Explanation / Answer

A) Spot- A was cinnamaldehyde, Spot-B was Cis -3-hexene-1-ol

C) By the using Acid-base extraction we can isolate eugenol

Dissolved mixture into dichloromethane add saturated NaOH/KOH solution, then separate the aqueous and dichloromethane layer by the using separating funnel.

Dichloromethane contained mixture of Cis-3-hexene-1-ol and Cinnamaldehyde

Aqueous layer contained conjugated base eugenol. This aqueous solution was acidified with HCl then add dichloromethane separated dichloromethane by the separating funnel then evaporated dichloromethane finally we get Eugenol

Note: Eugenol have phenol group so phenol group was reacting with strong base like NaOH/ KOH to form as conjugate base eugenol it was dissolved in aqueous solution. Then this conjugated base eugenol was acidify with HCl solution we will get Eugenol   

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