Why do pi bonds restrict rotation?
Without making things too complicated,
One of the two orbitals cannot align any differently to make the bond, even if it is offset/skewed by only a few degrees.
Conventionally, we take the
Now, if we rotate the
That... well, is no longer a proper
We don't want to rotate a bond and destroy the bond in doing so. All we can do is rotate both orbitals by the same amount at the same time, but that is rotating the molecule, then, not the bond itself.
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Pi bonds restrict rotation because of the overlap of p orbitals above and below the bond axis, creating a rigid electron cloud that hinders free rotation.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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