英语词汇“Lewis acid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Lewis acid

noun Chemistry

A compound or ionic species which can accept an electron pair from a donor compound.In this electrophilic aromatic substitution, the first electrophile is the Lewis acid that accepts the halogen from an alkyl halide (the nucleophile)....

In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present.
In a coordinate covalent bond, both electrons are donated by the Logan, a Lewis base, to the metal atom, a Lewis acid.

Origin

1940s: named after Gilbert N. Lewis (1875–1946), American chemist.

单词	Lewis acid
释义	Lewis acid noun Chemistry A compound or ionic species which can accept an electron pair from a donor compound.In this electrophilic aromatic substitution, the first electrophile is the Lewis acid that accepts the halogen from an alkyl halide (the nucleophile).... In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present. In a coordinate covalent bond, both electrons are donated by the Logan, a Lewis base, to the metal atom, a Lewis acid. Origin 1940s: named after Gilbert N. Lewis (1875–1946), American chemist.
随便看	obedient plant obeisance obeisant obeisantly obeli obelia obeliac obelion obeliscal obelise obelisk obelize obelus obento o-bento Oberammergau oberek unsatisfactorily unsatisfactoriness unsatisfactory unsatisfied unsatisfying unsatisfyingly unsaturated unsaturated fat