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One-step backside nucleophilic attack. Causes 100% Walden stereochemical inversion. Bulky alkyl groups block backside attack due to steric hindrance.
Does an S_N2 mechanism lead to retention or inversion of configuration?
In HX addition across an asymmetric alkene, H attaches to the carbon with more hydrogens, creating the most thermodynamically stable carbocation intermediate.
True or False: Hydrogen attaches to the carbon with fewer hydrogen atoms.
A cyclic, planar, fully conjugated ring is exceptionally stable (aromatic) only if it contains (4n + 2) π electrons. Benzene qualifies with n = 1 (6 π electrons).
How many π electrons does Benzene have to qualify as aromatic?
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