Why is arrow pushing utilized when organic reactivity is described?

Answer 1

This question is rather open-ended....

When you see an organic prof at the board in a lecture, he or she will busily write equations representing the movement of electrons as double-headed arrows (electron pairs) or single headed arrows (lone electrons). Sometimes you get the idea that the organic prof can write 30 of these in a minute, a post-doc can do 10, and an undergrad can do maybe 5.

The use of these arrows is very much a formalism, a conceptual idea that has little basis in fact, but may nevertheless be useful in rationalizing and explaining reactivity. We use the movement of double-headed or single-headed to represent reactivity...the which for organic chemists is largely a matter of the reaction of nucleophiles, electron donors, with electrophiles, electron acceptors....

Often quite complex mechanisms can be mapped out using electron pushing and pulling....

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Answer 2

Arrow pushing is used to represent the flow of electrons during chemical reactions, providing a visual aid to understand the movement of electron pairs and the formation or breaking of bonds in organic molecules. It helps in depicting reaction mechanisms and predicting the outcome of reactions by highlighting electron transfers and structural changes.

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Answer from HIX Tutor

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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