H3PO2 HNO3 Sn, HCI А NaNO2 В CUCN C D H2SO4 HC1

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Predict the principal organic product(s) for each of the following reactions:**

**(j)** 

\[ \text{H}_3\text{C} \text{--} \overset{\text{O}}{\text{C}} \text{--} \text{CH}_3 + \text{H}_2\text{N} \text{--} \text{CH}_3 \rightarrow \]

This reaction involves an aldehyde or ketone (acetone, in this case) and an amine (methylamine), which typically yields an imine or Schiff base as the principal organic product. The carbonyl group of acetone reacts with the primary amine, resulting in the formation of an imine along with the release of water as a byproduct.

Since the image does not include a diagram or graph, no further explanation of graphical content is needed.
Transcribed Image Text:**Predict the principal organic product(s) for each of the following reactions:** **(j)** \[ \text{H}_3\text{C} \text{--} \overset{\text{O}}{\text{C}} \text{--} \text{CH}_3 + \text{H}_2\text{N} \text{--} \text{CH}_3 \rightarrow \] This reaction involves an aldehyde or ketone (acetone, in this case) and an amine (methylamine), which typically yields an imine or Schiff base as the principal organic product. The carbonyl group of acetone reacts with the primary amine, resulting in the formation of an imine along with the release of water as a byproduct. Since the image does not include a diagram or graph, no further explanation of graphical content is needed.
The image depicts a multi-step organic synthesis process starting with benzene. Here is a detailed transcription and explanation:

1. **Nitration of Benzene**: 
   - **Reagents**: HNO₃ (Nitric acid) and H₂SO₄ (Sulfuric acid)
   - **Product A**: This step typically introduces a nitro group (-NO₂) onto the benzene ring, forming nitrobenzene.

2. **Reduction of Nitrobenzene**:
   - **Reagents**: Sn (Tin) and HCl (Hydrochloric acid)
   - **Product B**: The nitro group of nitrobenzene is reduced to an amino group, resulting in aniline.

3. **Diazotization of Aniline**:
   - **Reagents**: NaNO₂ (Sodium nitrite) and HCl (Hydrochloric acid)
   - **Product C**: Aniline is converted to a diazonium salt.

4. **Sandmeyer Reaction**:
   - **Reagents**: CuCN (Copper(I) cyanide)
   - **Product D**: The diazonium group is replaced with a cyano group (-CN), forming an aryl nitrile.

5. **Alternative Reduction of Diazotized Aniline**:
   - **Reagent**: H₃PO₂ (Hypophosphorous acid)
   - **Product E**: The diazonium salt is reduced to a hydrogen, effectively removing the diazo group, often yielding benzene as a side product or different hydrocarbon.

This sequence illustrates key transformations in organic chemistry, including nitration, reduction, diazotization, and the Sandmeyer reaction. Each transformation utilizes specific reagents and conditions to achieve desired functional group changes on the aromatic ring.
Transcribed Image Text:The image depicts a multi-step organic synthesis process starting with benzene. Here is a detailed transcription and explanation: 1. **Nitration of Benzene**: - **Reagents**: HNO₃ (Nitric acid) and H₂SO₄ (Sulfuric acid) - **Product A**: This step typically introduces a nitro group (-NO₂) onto the benzene ring, forming nitrobenzene. 2. **Reduction of Nitrobenzene**: - **Reagents**: Sn (Tin) and HCl (Hydrochloric acid) - **Product B**: The nitro group of nitrobenzene is reduced to an amino group, resulting in aniline. 3. **Diazotization of Aniline**: - **Reagents**: NaNO₂ (Sodium nitrite) and HCl (Hydrochloric acid) - **Product C**: Aniline is converted to a diazonium salt. 4. **Sandmeyer Reaction**: - **Reagents**: CuCN (Copper(I) cyanide) - **Product D**: The diazonium group is replaced with a cyano group (-CN), forming an aryl nitrile. 5. **Alternative Reduction of Diazotized Aniline**: - **Reagent**: H₃PO₂ (Hypophosphorous acid) - **Product E**: The diazonium salt is reduced to a hydrogen, effectively removing the diazo group, often yielding benzene as a side product or different hydrocarbon. This sequence illustrates key transformations in organic chemistry, including nitration, reduction, diazotization, and the Sandmeyer reaction. Each transformation utilizes specific reagents and conditions to achieve desired functional group changes on the aromatic ring.
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