chapt 21B

10問 • 8ヶ月前

velante

通報

問題一覧

Which point group does the BF3 molecule belong to, and how does it influence molecular orbital construction?

B. Doh; it guides which atomic orbitals can combine via symmetry matching

In a conjugated linear polyene with Ν π electrons, how many molecular orbitals are generated in the FEMO approximation?

A. N

Which of the following conditions is necessary for effective delocalization of π electrons in a molecule?

C. Conjugated system of overlapping p orbitals

According to valence-bond theory, which of the following statement true about the water molecule (H₂O)?

C. Oxygen uses two sp³ orbitals to form σ bonds and two to hold lone pairs

What is the bond order of each carbon- oxygen bond in the carbonate ion (CO32-), based on delocalized bonding?

Β. 1.33

Which of the following sets of symmetry operations form a group under group theory?

C. Identity, a C, rotation, and a mirror plane 2 perpendicular to C₂

Which of the following methods incorporates electron correlation beyond the Hartree-Fock approximation?

C. Configuration Interaction (CI)

Which molecule has a linear geometry and contains multiple bonds?

B. Acetylene (C₂H₂)

Which of the following computational methods is most appropriate for modeling excited states in molecules?

C. Time-Dependent Density Functional Theory (TD-DFT)

What is the main difference between σ (sigma) and π (pi) bonds in molecules with multiple bonds

C. σ bonds involve head-on orbital overlap; π bonds involve side-to-side overlap

biochem

biochem

inorg

inorg

phychem

phychem

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ANACHEM m1

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ANACHEM m2

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ANACHEM m3

ANACHEM m3

問題一覧

Which point group does the BF3 molecule belong to, and how does it influence molecular orbital construction?

B. Doh; it guides which atomic orbitals can combine via symmetry matching

In a conjugated linear polyene with Ν π electrons, how many molecular orbitals are generated in the FEMO approximation?

A. N

Which of the following conditions is necessary for effective delocalization of π electrons in a molecule?

C. Conjugated system of overlapping p orbitals

According to valence-bond theory, which of the following statement true about the water molecule (H₂O)?

C. Oxygen uses two sp³ orbitals to form σ bonds and two to hold lone pairs

What is the bond order of each carbon- oxygen bond in the carbonate ion (CO32-), based on delocalized bonding?

Β. 1.33

Which of the following sets of symmetry operations form a group under group theory?

C. Identity, a C, rotation, and a mirror plane 2 perpendicular to C₂

Which of the following methods incorporates electron correlation beyond the Hartree-Fock approximation?

C. Configuration Interaction (CI)

Which molecule has a linear geometry and contains multiple bonds?

B. Acetylene (C₂H₂)

Which of the following computational methods is most appropriate for modeling excited states in molecules?

C. Time-Dependent Density Functional Theory (TD-DFT)

What is the main difference between σ (sigma) and π (pi) bonds in molecules with multiple bonds

C. σ bonds involve head-on orbital overlap; π bonds involve side-to-side overlap