Which of the following has a covalent bond? BF3 None of these LiF O K2S O All of these O SnF2

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Chapter1: Chemical Foundations
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### Question: Which of the following has a covalent bond?

- ⭕ BF₃
- ⭕ None of these
- ⭕ LiF
- ⭕ K₂S
- ⭕ All of these
- ⭕ SnF₂

### Explanation:
In chemical bonding, covalent bonds involve the sharing of electron pairs between atoms. In the options provided, **BF₃ (Boron Trifluoride)** is the compound that contains covalent bonds. Here, the boron atom shares electrons with three fluorine atoms to form a covalent bond.

#### Additional Notes:
1. **LiF (Lithium Fluoride)** - Consists of ionic bonds between lithium and fluorine atoms.
2. **K₂S (Potassium Sulfide)** - Consists of ionic bonds between potassium and sulfur atoms.
3. **SnF₂ (Tin(II) Fluoride)** - Also primarily consists of ionic bonds between tin and fluorine atoms.

Understanding the distinction between covalent and ionic bonds is essential for comprehending the chemical properties and behaviors of different compounds.
Transcribed Image Text:### Question: Which of the following has a covalent bond? - ⭕ BF₃ - ⭕ None of these - ⭕ LiF - ⭕ K₂S - ⭕ All of these - ⭕ SnF₂ ### Explanation: In chemical bonding, covalent bonds involve the sharing of electron pairs between atoms. In the options provided, **BF₃ (Boron Trifluoride)** is the compound that contains covalent bonds. Here, the boron atom shares electrons with three fluorine atoms to form a covalent bond. #### Additional Notes: 1. **LiF (Lithium Fluoride)** - Consists of ionic bonds between lithium and fluorine atoms. 2. **K₂S (Potassium Sulfide)** - Consists of ionic bonds between potassium and sulfur atoms. 3. **SnF₂ (Tin(II) Fluoride)** - Also primarily consists of ionic bonds between tin and fluorine atoms. Understanding the distinction between covalent and ionic bonds is essential for comprehending the chemical properties and behaviors of different compounds.
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