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...
Related questions
Question
![**Question:**
How many sigma and pi bonds are in the molecule shown below?
**Molecule Structure:**
H–C≡N:
**Answer Options:**
- Sigma bonds: [Select]
- Pi bonds: [Select]
**Explanation:**
The molecule depicted is hydrogen cyanide (HCN). The structure shows a single bond between hydrogen (H) and carbon (C), and a triple bond between carbon (C) and nitrogen (N).
In covalent bonding:
- **Sigma (σ) bonds**: The first bond formed between two atoms. In HCN, there are two sigma bonds; one in the H-C bond and one in the C-N bond.
- **Pi (π) bonds**: Additional bonds formed in multiple bonding situations. The C-N triple bond consists of one sigma bond and two pi bonds.
Therefore:
- Total sigma bonds: 2
- Total pi bonds: 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F07bee885-b193-43d8-ac2a-8488a7e88bc2%2Fb08cdb12-9871-4011-abdc-b476f340a5cf%2Fhetwg5o_processed.png&w=3840&q=75)
Transcribed Image Text:**Question:**
How many sigma and pi bonds are in the molecule shown below?
**Molecule Structure:**
H–C≡N:
**Answer Options:**
- Sigma bonds: [Select]
- Pi bonds: [Select]
**Explanation:**
The molecule depicted is hydrogen cyanide (HCN). The structure shows a single bond between hydrogen (H) and carbon (C), and a triple bond between carbon (C) and nitrogen (N).
In covalent bonding:
- **Sigma (σ) bonds**: The first bond formed between two atoms. In HCN, there are two sigma bonds; one in the H-C bond and one in the C-N bond.
- **Pi (π) bonds**: Additional bonds formed in multiple bonding situations. The C-N triple bond consists of one sigma bond and two pi bonds.
Therefore:
- Total sigma bonds: 2
- Total pi bonds: 2
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