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Questions and Answers
What is the main reason for carbon atom or compounds to hybridize its four second level atomic orbitals?
What is the main reason for carbon atom or compounds to hybridize its four second level atomic orbitals?
- To form stronger bonds due to greater overlap and result in more stable lower energy molecules (correct)
- To form nonpolar bonds due to absence of overlap and result in neutral energy molecules
- To form weaker bonds due to lesser overlap and result in less stable higher energy molecules
- To form ionic bonds due to complete transfer of electrons and result in charged molecules
In which type of hybridization does a carbon atom have four equivalent bonds to hydrogen, with each C-H bond having the same bond distance and a bond angle of 109.3 degrees?
In which type of hybridization does a carbon atom have four equivalent bonds to hydrogen, with each C-H bond having the same bond distance and a bond angle of 109.3 degrees?
- No Hybridization
- Sp3 Hybridization (correct)
- Sp Hybridization
- Sp2 Hybridization
When a carbon atom is bonded to another atom by a double bond, which type of hybrid state does it assume?
When a carbon atom is bonded to another atom by a double bond, which type of hybrid state does it assume?
- Sp3 Hybridization
- Sp2 Hybridization (correct)
- Sp Hybridization
- No Hybridization
In which type of hybridization does a carbon atom join to only two other atoms, as in acetylene (C2H2)?
In which type of hybridization does a carbon atom join to only two other atoms, as in acetylene (C2H2)?
What is electronegativity (EN) a measure of?
What is electronegativity (EN) a measure of?
Flashcards
Why do carbon atoms hybridize?
Why do carbon atoms hybridize?
Carbon atoms hybridize their atomic orbitals to form stronger bonds with greater overlap, resulting in more stable molecules with lower energy.
What is sp3 hybridization?
What is sp3 hybridization?
In sp3 hybridization, a carbon atom has four equivalent bonds to hydrogen, each with the same bond distance (109.3 degrees).
What hybridization does a double-bonded carbon atom have?
What hybridization does a double-bonded carbon atom have?
When a carbon atom forms a double bond, it adopts an sp2 hybridization state.
What hybridization is present in acetylene (C2H2)?
What hybridization is present in acetylene (C2H2)?
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What is electronegativity?
What is electronegativity?
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Study Notes
Carbon Hybridization
- Carbon hybridizes its four second-level atomic orbitals to minimize energy and maximize stability in bonding with other atoms.
Tetrahedral Hybridization
- During tetrahedral hybridization, a carbon atom forms four equivalent C-H bonds.
- Each bond has an identical distance and a bond angle of 109.3 degrees.
Double Bond Hybrid State
- When bonded to another atom via a double bond, carbon assumes a sp² hybrid state, typically involving one unhybridized p orbital.
Linear Hybridization
- In linear hybridization, a carbon atom connects to only two other atoms, as demonstrated in acetylene (Câ‚‚Hâ‚‚).
- This involves sp hybridization, resulting in a bond angle of 180 degrees.
Electronegativity (EN)
- Electronegativity measures an atom's ability to attract and hold onto electrons in a chemical bond.
- It influences bond strength and polarity, impacting molecular structure and reactivity.
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