09.5° no

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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2.4 

### Question: 

The following bonds in vinyl alcohol, what is the bond angle for C-O-H? See the structure as your basis.

**Structure:**

```
  H
  |
H-C=C
    |
    O-H
```

### Options:

A) 109.5°

B) 90°

C) 180°

D) 120°

### Explanation:

The structure shows vinyl alcohol with a carbon-carbon double bond (C=C) and an alcohol group (C-O-H). The question focuses on the bond angle for the C-O-H group.

### Answer:

In molecules like vinyl alcohol, the C-O-H bond angle is typically closer to 109.5°, as seen in structures with sp3 hybridization around the oxygen. However, due to resonance and actual structure influences, the angle is often approximated from relevant nearby angles as 120°. Thus, the correct option is likely **D) 120°**.
Transcribed Image Text:### Question: The following bonds in vinyl alcohol, what is the bond angle for C-O-H? See the structure as your basis. **Structure:** ``` H | H-C=C | O-H ``` ### Options: A) 109.5° B) 90° C) 180° D) 120° ### Explanation: The structure shows vinyl alcohol with a carbon-carbon double bond (C=C) and an alcohol group (C-O-H). The question focuses on the bond angle for the C-O-H group. ### Answer: In molecules like vinyl alcohol, the C-O-H bond angle is typically closer to 109.5°, as seen in structures with sp3 hybridization around the oxygen. However, due to resonance and actual structure influences, the angle is often approximated from relevant nearby angles as 120°. Thus, the correct option is likely **D) 120°**.
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