9. Which of these compounds has chemical properties most similar to the chemical properties of ethanoic acid? 1. C.H,COOH 2 C₂H₂OH 3. C₂H5COOC₂H5 4. C₂H5OC₂H5

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**Educational Transcription: Contextual Analysis of Organic Compounds**

*Chemical Similarity to Ethanoic Acid*

**Question:**

*Which of these compounds has chemical properties most similar to the chemical properties of ethanoic acid?*

**Options:**
1. \( C_2H_5OH \) (Ethanol)
2. \( CH_3OCH_3 \) (Dimethyl Ether)
3. \( CH_3COOCH_3 \) (Methyl Acetate)
4. \( CH_3COOC_2H_5 \) (Ethyl Acetate)

**Solution:**

The correct answer is \(\boxed{3}\) \( CH_3COOCH_3 \) (Methyl Acetate).

**Explanation:**

Ethanoic acid, commonly known as acetic acid, has the chemical formula \( CH_3COOH \). Among the given options, Methyl Acetate (\( CH_3COOCH_3 \)) contains the ester functional group \( COO \), which closely resembles the carboxylic acid group present in ethanoic acid. This structural similarity contributes to having similar chemical properties.

Each of the other options presents different functional groups that alter their chemical properties significantly:
1. Ethanol (\( C_2H_5OH \)) is an alcohol.
2. Dimethyl Ether (\( CH_3OCH_3 \)) is an ether.
4. Ethyl Acetate (\( CH_3COOC_2H_5 \)) is also an ester, but the ester group does not match as closely as Methyl Acetate's ester group to the properties of ethanoic acid at a basic level.

**Note:** The correct answer is indicated in the image by a circle around option 3 and an arrow pointing to it.
Transcribed Image Text:**Educational Transcription: Contextual Analysis of Organic Compounds** *Chemical Similarity to Ethanoic Acid* **Question:** *Which of these compounds has chemical properties most similar to the chemical properties of ethanoic acid?* **Options:** 1. \( C_2H_5OH \) (Ethanol) 2. \( CH_3OCH_3 \) (Dimethyl Ether) 3. \( CH_3COOCH_3 \) (Methyl Acetate) 4. \( CH_3COOC_2H_5 \) (Ethyl Acetate) **Solution:** The correct answer is \(\boxed{3}\) \( CH_3COOCH_3 \) (Methyl Acetate). **Explanation:** Ethanoic acid, commonly known as acetic acid, has the chemical formula \( CH_3COOH \). Among the given options, Methyl Acetate (\( CH_3COOCH_3 \)) contains the ester functional group \( COO \), which closely resembles the carboxylic acid group present in ethanoic acid. This structural similarity contributes to having similar chemical properties. Each of the other options presents different functional groups that alter their chemical properties significantly: 1. Ethanol (\( C_2H_5OH \)) is an alcohol. 2. Dimethyl Ether (\( CH_3OCH_3 \)) is an ether. 4. Ethyl Acetate (\( CH_3COOC_2H_5 \)) is also an ester, but the ester group does not match as closely as Methyl Acetate's ester group to the properties of ethanoic acid at a basic level. **Note:** The correct answer is indicated in the image by a circle around option 3 and an arrow pointing to it.
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