Chemical bonding Flashcards

1
Q

Wavefuntion MO = Wave functionA +- Wave function B

A

True

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2
Q

Sigma can be represented by

A

Wave function A + wave function B

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3
Q

Sigma star can be represented by

A

Wave function A - wave function B

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4
Q

What are the conditions of combination of atomic orbitals

A

The combining atomic orbitals must have the same energy or nearly the same energy
The combining atomic orbitals must have same symmetry about the molecular axis
The combining atomic orbitals must overlap to max extent

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4
Q

For O2 and F2 sigma 2PZ has

A

Lower energy than pi 2Px and pi2Py

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5
Q
A
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6
Q

The bond order of He2 molecules is

A

0 ( hence unstable)

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7
Q
A
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