Write a hybridization and bonding scheme for each molecule. Sketch the molecule, including overlapping orbitals, and label all bonds using the notation shown in Examples 11.6 and 11.7. a. CCl4

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Identify the central atom in the molecule. For CCl4, the central atom is carbon (C).

Determine the number of valence electrons for the central atom. Carbon has 4 valence electrons.

Count the number of atoms bonded to the central atom. In CCl4, carbon is bonded to four chlorine atoms.

Determine the hybridization of the central atom. Since carbon forms four sigma bonds with chlorine, it undergoes sp^3 hybridization.

Sketch the molecule: Draw the carbon atom in the center with four sp^3 hybrid orbitals extending outwards. Each sp^3 hybrid orbital overlaps with a p orbital from a chlorine atom to form a sigma (σ) bond. Label each bond as a σ bond between C(sp^3) and Cl(p).

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Hybridization

Hybridization is the process of mixing atomic orbitals to form new hybrid orbitals that can accommodate the bonding requirements of a molecule. In the case of CCl4 (carbon tetrachloride), the carbon atom undergoes sp3 hybridization, resulting in four equivalent sp3 hybrid orbitals that arrange themselves in a tetrahedral geometry to minimize electron pair repulsion.

Bonding and Overlapping Orbitals

Bonding in molecules occurs through the overlap of atomic orbitals, which allows for the sharing of electrons between atoms. In CCl4, each sp3 hybrid orbital of carbon overlaps with the p orbitals of chlorine atoms, forming four sigma (σ) bonds. This overlap is crucial for the stability and geometry of the molecule.

Molecular Geometry

Molecular geometry refers to the three-dimensional arrangement of atoms within a molecule. For CCl4, the tetrahedral geometry arises from the sp3 hybridization of carbon, where the four chlorine atoms are positioned at the corners of a tetrahedron around the central carbon atom. This geometry is essential for understanding the molecule's physical and chemical properties.