Which of the following statements are true and which are false? A sigma molecular orbital may

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Question

Which of the following statements are true and which are false? A sigma molecular orbital may

not have a single lobe of electron density.
be bonding or antibonding.
result from overlap of two sp² orbitals.
have delocalized electrons in conjugated compounds.
not result from two atomic p orbitals.

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Answer 1

Answer #1

Here, in the given question we have to state that the statement is true or false.

A sigma molecular orbital may

1. Not have a single lobe of electron density = True.

Yes, A sigma molecular orbital may not have a single lobe of electron density. A sigma bond normally orbital is empty.

2. Be bonding or antibonding = True.

It can be either bonding or antibonding. A sigma bond is always the first bond formed between two atoms. Sigma star (σ*) antibonding molecular orbital.

3. Result from overlap of two sp2 orbitals = True.

Yes, A sigma bond will result from the overlapping from an atomic p orbital and two orbitals.

4. Have delocalized electrons in conjugated compounds = False.

No, they don't have delocalized electrons in conjugated compounds.

5. Not result from two atomic p orbitals = False.

yes, a sigma bond will not result from two atomic p orbitals.

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Answer 2

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