d. 1 ед. HI H2, Pt 65°C

Chemistry
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Chapter1: Chemical Foundations
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Fill in the missing reactant, reagent and products. Indicate stereochemistry if necessary. Unless otherwise specified, assume the reagents are in excess. 

**Chemical Reaction Sequence**

**Step 1:**

- **Reactant:** A methyl-substituted cyclohexene (methyl side group attached to cyclohexene ring).
- **Reagent:** 1 equivalent of hydroiodic acid (HI).
- **Condition:** Heated to 65°C.

**Step 2:**

- **Reagent:** Hydrogen gas (H₂) in the presence of a platinum (Pt) catalyst.

**Explanation:**

In Step 1, the methyl-substituted cyclohexene undergoes a reaction with hydroiodic acid at 65°C. This typically leads to the addition of the iodine to the double bond, converting the alkene to an alkyl iodide.

In Step 2, the product from Step 1 is subjected to hydrogenation using hydrogen gas and a platinum catalyst. This process usually reduces the alkyl iodide, resulting in the formation of a saturated alkyl ring.
Transcribed Image Text:**Chemical Reaction Sequence** **Step 1:** - **Reactant:** A methyl-substituted cyclohexene (methyl side group attached to cyclohexene ring). - **Reagent:** 1 equivalent of hydroiodic acid (HI). - **Condition:** Heated to 65°C. **Step 2:** - **Reagent:** Hydrogen gas (H₂) in the presence of a platinum (Pt) catalyst. **Explanation:** In Step 1, the methyl-substituted cyclohexene undergoes a reaction with hydroiodic acid at 65°C. This typically leads to the addition of the iodine to the double bond, converting the alkene to an alkyl iodide. In Step 2, the product from Step 1 is subjected to hydrogenation using hydrogen gas and a platinum catalyst. This process usually reduces the alkyl iodide, resulting in the formation of a saturated alkyl ring.
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