2-methyl-3-pentanone + Ethanol он он A. C. HO OH В. D.

Chemistry
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Chapter1: Chemical Foundations
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**Question 9: Predict the product of the following reaction:**

**Reaction:**
2-methyl-3-pentanone + Ethanol → ?

**Options:**

- **Option A:** A structure with a hydroxyl (OH) group is attached to a carbon chain.

- **Option B:** Another structure with an OH group attached differently to a carbon chain.

- **Option C:** A structure suggesting the formation of a hemiacetal with an OH group and an alkoxy group (OCH2CH3).

- **Option D:** A cyclic acetal structure with two alkoxy groups (OCH3) attached to the same carbon in the ring structure. 

**Explanation:**

This question presents a typical organic chemistry problem where students are asked to predict the product of a reaction between a ketone (2-methyl-3-pentanone) and an alcohol (ethanol). The possible outcomes generally involve the formation of either a hemiacetal or an acetal, indicated by the options given. Students should consider mechanisms such as nucleophilic addition or acetal formation when determining the correct product.
Transcribed Image Text:**Question 9: Predict the product of the following reaction:** **Reaction:** 2-methyl-3-pentanone + Ethanol → ? **Options:** - **Option A:** A structure with a hydroxyl (OH) group is attached to a carbon chain. - **Option B:** Another structure with an OH group attached differently to a carbon chain. - **Option C:** A structure suggesting the formation of a hemiacetal with an OH group and an alkoxy group (OCH2CH3). - **Option D:** A cyclic acetal structure with two alkoxy groups (OCH3) attached to the same carbon in the ring structure. **Explanation:** This question presents a typical organic chemistry problem where students are asked to predict the product of a reaction between a ketone (2-methyl-3-pentanone) and an alcohol (ethanol). The possible outcomes generally involve the formation of either a hemiacetal or an acetal, indicated by the options given. Students should consider mechanisms such as nucleophilic addition or acetal formation when determining the correct product.
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