the compound with the broadest IR signal between 3600 cm1 and 3000 cm1 HO, HO. ОН HO HO

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Which compound is 

**Title: Identifying the Compound with the Broadest IR Signal**

The objective is to identify the compound with the broadest infrared (IR) absorption signal between the wavenumbers 3600 cm⁻¹ and 3000 cm⁻¹. This spectral region typically corresponds to the O-H (hydroxyl) stretching vibrations, which can vary in width due to hydrogen bonding.

**Compounds:**
1. **1-Butanol (C₄H₁₀O):** A straight chain alcohol with a single hydroxyl group.
2. **Butanoic Acid (C₄H₈O₂):** Featuring a carboxylic acid group (-COOH), which can exhibit broad IR signals due to hydrogen bonding.
3. **Propanoic Acid (C₃H₆O₂):** Similar to butanoic acid but with a shorter carbon chain.
4. **Succinic Acid (C₄H₆O₄):** A dicarboxylic acid with two carboxylic acid groups, leading to extensive hydrogen bonding.

**Analysis:**
The broadness of the IR signal is influenced heavily by hydrogen bonding potential. Succinic acid, with two carboxylic acid groups, is likely to exhibit the broadest IR signal in the specified region due to its extensive hydrogen bonding network, compared to the other compounds with fewer functional groups capable of such interactions.
Transcribed Image Text:**Title: Identifying the Compound with the Broadest IR Signal** The objective is to identify the compound with the broadest infrared (IR) absorption signal between the wavenumbers 3600 cm⁻¹ and 3000 cm⁻¹. This spectral region typically corresponds to the O-H (hydroxyl) stretching vibrations, which can vary in width due to hydrogen bonding. **Compounds:** 1. **1-Butanol (C₄H₁₀O):** A straight chain alcohol with a single hydroxyl group. 2. **Butanoic Acid (C₄H₈O₂):** Featuring a carboxylic acid group (-COOH), which can exhibit broad IR signals due to hydrogen bonding. 3. **Propanoic Acid (C₃H₆O₂):** Similar to butanoic acid but with a shorter carbon chain. 4. **Succinic Acid (C₄H₆O₄):** A dicarboxylic acid with two carboxylic acid groups, leading to extensive hydrogen bonding. **Analysis:** The broadness of the IR signal is influenced heavily by hydrogen bonding potential. Succinic acid, with two carboxylic acid groups, is likely to exhibit the broadest IR signal in the specified region due to its extensive hydrogen bonding network, compared to the other compounds with fewer functional groups capable of such interactions.
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