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Frequently Asked Question
Questions asked by users might not always be phrased in the clearest way.
Which are the most basic leaving groups?
Accepted Answer
The most basic leaving groups are typically weak bases. This is because a good leaving group must be stable on its own, meaning it's not very reactive to re-attach to the molecule it left.
Here are some examples of good leaving groups in order of decreasing stability:
1. Iodide (I-)
2. Bromide (Br-)
3. Chloride (Cl-)
4. Water (H2O)
5. Alcohol (ROH)
Note that the stability and leaving group ability of a molecule are influenced by its structure and the reaction conditions.
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