In a localized ethyl carbanion (), what is the percentage of s-character of the hybrid orbital that — GOC and Organic Chemistry Basics Chemistry Question
Question
In a localized ethyl carbanion ($CH_3-CH_2^-$), what is the percentage of s-character of the hybrid orbital that contains the lone pair on the negatively charged carbon?
Answer: 25
💡 Solution & Explanation
A localized carbanion lacking any adjacent $\pi$ bonds for resonance is $sp^3$ hybridized. An $sp^3$ hybrid orbital is made of one s and three p orbitals, yielding $1/4$ or exactly 25% s-character.
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