Br CH3 dBr OH a) HO' and C2H5 CH3 C2H5 OH Br b) and Br SCH3 SCH3 c) and Br Br d) and

Chemistry
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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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### Educational Content: Analyzing Stereochemistry in Organic Compounds

**Objective:** Determine the stereochemical relationships between pairs of organic compounds and classify them as one of the following:
- Identical/Same
- Enantiomer
- Meso Compounds
- Constitutional Isomer
- Diastereomer
- Unrelated

Below are the compound pairs to be analyzed:

---

#### Pair a)
- Structure 1: Ethyl group (C₂H₅), Methyl group (CH₃), Hydroxyl group (OH), and Bromine (Br) attached to a chiral center.
- Structure 2: Methyl group (CH₃), Ethyl group (C₂H₅), Hydroxyl group (OH), and Bromine (Br) attached to a chiral center.

#### Pair b)
- Structure 1: Propyl group with Hydroxyl (OH) and Bromine (Br) on adjacent carbons; Hydroxyl above the plane.
- Structure 2: Same as Structure 1, with Hydroxyl and Bromine positions switched; Hydroxyl below the plane.

#### Pair c)
- Structure 1: Methylthio group (SCH₃) and Bromine (Br) attached to a chiral carbon.
- Structure 2: Same as Structure 1, methylthio and bromine positions switched.

#### Pair d)
- Structure 1 and 2: Cyclohexene ring with Hydrogen above the plane in one and below in the other.

#### Pair e)
- Structure 1: Cyclohexane chair conformation with Chlorine (Cl), Hydroxyl (OH), Bromine (Br), and Methyl group (CH₃) in specific positions.
- Structure 2: Same structure but with Cl and Br exchanged in position.

#### Pair f)
- Structure 1: Aldehyde group (CHO) with methyl group attached.
- Structure 2: Ketone group with two methyl groups attached.

#### Pair g)
- Structure 1: Fischer projection with Ethyl group (C₂H₅), Bromine (Br), Hydroxyl (OH), and Methyl group (CH₃).
- Structure 2: Same as Structure 1, the positions of ethyl and bromine switched.

#### Pair h)
- Structure 1: Fischer projection with Carboxylic Acid (COOH) and Amine
Transcribed Image Text:### Educational Content: Analyzing Stereochemistry in Organic Compounds **Objective:** Determine the stereochemical relationships between pairs of organic compounds and classify them as one of the following: - Identical/Same - Enantiomer - Meso Compounds - Constitutional Isomer - Diastereomer - Unrelated Below are the compound pairs to be analyzed: --- #### Pair a) - Structure 1: Ethyl group (C₂H₅), Methyl group (CH₃), Hydroxyl group (OH), and Bromine (Br) attached to a chiral center. - Structure 2: Methyl group (CH₃), Ethyl group (C₂H₅), Hydroxyl group (OH), and Bromine (Br) attached to a chiral center. #### Pair b) - Structure 1: Propyl group with Hydroxyl (OH) and Bromine (Br) on adjacent carbons; Hydroxyl above the plane. - Structure 2: Same as Structure 1, with Hydroxyl and Bromine positions switched; Hydroxyl below the plane. #### Pair c) - Structure 1: Methylthio group (SCH₃) and Bromine (Br) attached to a chiral carbon. - Structure 2: Same as Structure 1, methylthio and bromine positions switched. #### Pair d) - Structure 1 and 2: Cyclohexene ring with Hydrogen above the plane in one and below in the other. #### Pair e) - Structure 1: Cyclohexane chair conformation with Chlorine (Cl), Hydroxyl (OH), Bromine (Br), and Methyl group (CH₃) in specific positions. - Structure 2: Same structure but with Cl and Br exchanged in position. #### Pair f) - Structure 1: Aldehyde group (CHO) with methyl group attached. - Structure 2: Ketone group with two methyl groups attached. #### Pair g) - Structure 1: Fischer projection with Ethyl group (C₂H₅), Bromine (Br), Hydroxyl (OH), and Methyl group (CH₃). - Structure 2: Same as Structure 1, the positions of ethyl and bromine switched. #### Pair h) - Structure 1: Fischer projection with Carboxylic Acid (COOH) and Amine
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