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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Question
what is the missing product/reactant in each reaction?

Transcribed Image Text:## Part B
### Organic Chemistry Reaction: Hydrogenation
#### Reaction Scheme:
```
?
————
H₂
Pt catalyst ————————> Cyclohexane
```
### Explanation:
This image illustrates a chemical reaction where an unknown reactant (denoted as "?") undergoes hydrogenation in the presence of a platinum (Pt) catalyst and hydrogen gas (H₂) to produce cyclohexane.
#### Detailed Diagram Description:
- **Reactant**: Represented by a question mark (?), indicating the substance before the reaction is unknown.
- **Reagents**: Hydrogen gas (H₂) and a platinum catalyst (Pt catalyst) are provided above and below the reaction arrow.
- **Product**: The product of this reaction is cyclohexane, a six-membered carbon ring, typically represented as a hexagon.
#### Instructions:
**Draw the molecule on the canvas by choosing buttons from the toolbars.**
This instruction suggests that users are expected to use a digital drawing tool to depict the appropriate structures for the chemical components described in the reaction.
### Educational Insight:
The hydrogenation reaction is common in organic chemistry, often applied to convert alkenes or alkynes into alkanes. Here, the presence of a platinum catalyst and hydrogen gas usually implies the hydrogenation of an unsaturated compound to form a saturated cyclic hydrocarbon, cyclohexane. The task may involve identifying the starting material that, when hydrogenated, produces cyclohexane.

Transcribed Image Text:### Chemical Reaction Representation
#### Reaction A:
**Reactant:**
- The structure is a five-membered cyclic compound (a cyclopentene) with one double bond extending outwards from the ring structure.
**Reaction Condition:**
- The reactant undergoes hydrogenation with Hydrogen gas (\( \text{H}_2 \)) in the presence of a Platinum (Pt) catalyst.
**Goal:**
- To determine the resultant product of this reaction.
**Instructions:**
- Draw the molecule on the given canvas by using the appropriate tools provided in the drawing interface.
#### Tools and Interface:
- The interface below the instruction includes tools for drawing chemical structures with buttons for various functionalities:
- Undo
- Redo
- Zoom in/out
- Select
- Erase
- Add hydrogen atoms
- Add other elements
- Add bonds
- Modify structure properties
This diagram is part of a larger exercise in understanding organic reaction mechanisms, specifically focusing on the hydrogenation process.
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