| 释义 |
Definition of Lewis base in English: Lewis basenounˈluːɪs ˌbeɪs Chemistry A compound or ionic species which can donate an electron pair to an acceptor compound. Example sentencesExamples - In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present.
- In both cases, the ammonia molecule is acting as a Lewis base, donating the pair of electrons required to form the coordinate covalent bond.
Origin 1960s: named after G. N. Lewis (see Lewis acid). Definition of Lewis base in US English: Lewis basenoun Chemistry A compound or ionic species which can donate an electron pair to an acceptor compound. Example sentencesExamples - In both cases, the ammonia molecule is acting as a Lewis base, donating the pair of electrons required to form the coordinate covalent bond.
- In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present.
Origin 1960s: named after G. N. Lewis (see Lewis acid). |