Which polymer will result from these two ingredients? COH O=C=N- -N=C=O HO HN- A) o B) -NH HN- -NH N- O=c' -N- C) c=o D) O=C 'N- 'n un

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**Title: Polymerization Challenge: Analyzing Reactants and Products**

**Description:**

This educational image presents a chemistry question focusing on polymerization. The task is to identify which polymer will result from the given two chemical reactants.

**Reactants:**

1. **Diisocyanate Compound:**
   - Structural Formula: O=C=N—(benzene ring)—N=C=O
   - Features an aromatic ring with two isocyanate groups (-N=C=O) on opposite sides.

2. **Diol Compound:**
   - Structural Formula: HO—(CH2)2—OH
   - A simple aliphatic diol with two hydroxyl groups (-OH).

**Polymer Options:**

- **Option A:**
  - Composed of alternating units created through the reaction of the isocyanate group with the hydroxyl group, resulting in urea linkages. The repeating unit contains both aromatic and aliphatic segments.

- **Option B:**
  - Composed of alternating segments with ester linkages formed by reacting isocyanate groups and hydroxyl groups. Contains both aromatic and aliphatic chains.

- **Option C:**
  - Consists of repeating units formed through the reaction of isocyanate groups with hydroxyls, forming carbamate linkages. The structure predominantly features aliphatic chains.

- **Option D:**
  - Consists of repeating units that include urethane linkages formed by the combination of the diisocyanate's isocyanate groups with the diol's hydroxyl groups. It prominently features an aromatic core.

**Guidance for Students:**

To identify the correct polymer:
1. Consider the functional groups present in the reactants.
2. Evaluate how these groups combine to form linkages such as urethane, urea, or ester.
3. Analyze the structural relationships within the polymer options given the reactants' possible interactions.

This exercise aids in understanding polymerization by illustrating the possible outcomes based on common organic reactions.
Transcribed Image Text:**Title: Polymerization Challenge: Analyzing Reactants and Products** **Description:** This educational image presents a chemistry question focusing on polymerization. The task is to identify which polymer will result from the given two chemical reactants. **Reactants:** 1. **Diisocyanate Compound:** - Structural Formula: O=C=N—(benzene ring)—N=C=O - Features an aromatic ring with two isocyanate groups (-N=C=O) on opposite sides. 2. **Diol Compound:** - Structural Formula: HO—(CH2)2—OH - A simple aliphatic diol with two hydroxyl groups (-OH). **Polymer Options:** - **Option A:** - Composed of alternating units created through the reaction of the isocyanate group with the hydroxyl group, resulting in urea linkages. The repeating unit contains both aromatic and aliphatic segments. - **Option B:** - Composed of alternating segments with ester linkages formed by reacting isocyanate groups and hydroxyl groups. Contains both aromatic and aliphatic chains. - **Option C:** - Consists of repeating units formed through the reaction of isocyanate groups with hydroxyls, forming carbamate linkages. The structure predominantly features aliphatic chains. - **Option D:** - Consists of repeating units that include urethane linkages formed by the combination of the diisocyanate's isocyanate groups with the diol's hydroxyl groups. It prominently features an aromatic core. **Guidance for Students:** To identify the correct polymer: 1. Consider the functional groups present in the reactants. 2. Evaluate how these groups combine to form linkages such as urethane, urea, or ester. 3. Analyze the structural relationships within the polymer options given the reactants' possible interactions. This exercise aids in understanding polymerization by illustrating the possible outcomes based on common organic reactions.
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