SIF3002 Diatomic Orbitals: Lecture 16 Quiz

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What primarily contributes to the formation of a hydrogen bond?

Ionic interactions

Hydrophobic interactions

Van der Waals forces

Electrostatic force of attraction due to dipole-dipole interaction (correct)

Under what condition is a hydrogen bond formed?

In polar molecules (correct)

In nonpolar molecules

In covalent compounds

In ionic compounds

What percentage of the strength of a covalent bond can a hydrogen bond have?

1% to 3%

More than 15%

5% to 10% (correct)

Less than 1%

What is the Born-Oppenheimer Approximation used for?

Describing diatomic orbitals Signup and view all the answers

Which type of orbitals are involved in forming bonding and anti-bonding structures?

S orbitals Signup and view all the answers

What is the main factor that leads to the formation of an H2 molecule?

Potential energy between each electron and each proton of the H atom Signup and view all the answers

According to the Schrödinger equation, what does the Born-Oppenheimer approximation assume about the motions of the nuclei in a molecule?

The nuclei are too slow to affect the motions of the electrons Signup and view all the answers

In the context of the molecular orbitals, what does the Schrödinger equation solve for?

The probability of finding an electron at a specific location in a molecule Signup and view all the answers

What does the Hamiltonian represent in the context of finding the total energy of a molecule system using the Born-Oppenheimer approximation?

A combination of kinetic and potential energy terms Signup and view all the answers

Why is it difficult to solve the Schrödinger equation for molecules with more than one electron?

The electron-electron repulsion force complicates the calculations Signup and view all the answers

SIF3002 Diatomic Orbitals: Lecture 16 Quiz

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Questions and Answers

What primarily contributes to the formation of a hydrogen bond?

Under what condition is a hydrogen bond formed?

What percentage of the strength of a covalent bond can a hydrogen bond have?

What is the Born-Oppenheimer Approximation used for?

Which type of orbitals are involved in forming bonding and anti-bonding structures?

What is the main factor that leads to the formation of an H2 molecule?

According to the Schrödinger equation, what does the Born-Oppenheimer approximation assume about the motions of the nuclei in a molecule?

In the context of the molecular orbitals, what does the Schrödinger equation solve for?

What does the Hamiltonian represent in the context of finding the total energy of a molecule system using the Born-Oppenheimer approximation?

Why is it difficult to solve the Schrödinger equation for molecules with more than one electron?

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