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Lewis acid [1 record]
Record 1 - internal organization data 2011-10-11
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Electrolysis (Electrokinetics)
- Electrochemistry
Record 1, Main entry term, English
- Lewis acid
1, record 1, English, Lewis%20acid
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A substance that can accept an electron pair from a base. 2, record 1, English, - Lewis%20acid
Record number: 1, Textual support number: 1 CONT
... the term Lewis acid will be employed exclusively to refer to electron-pair acceptors. ... The definition of Lewis acids and bases in terms of gain or loss of electrons should not be confused with the definition of oxidising and reducing agents in similar terms. 3, record 1, English, - Lewis%20acid
Record number: 1, Textual support number: 1 OBS
Usually the word "acid" refers to a "proton donor" following the Brönsted-Lowry theory. When it refers to an electron-pair acceptor it is usual to specify that it is a Lewis acid opposed to a Brönsted acid or proton acid. This terminology represents the commonest usage of the terms (ENBRT, vol. 1, p. 47). 4, record 1, English, - Lewis%20acid
Record 1, French
Record 1, Domaine(s)
- Chimie
- Électrolyse (Électrocinétique)
- Électrochimie
Record 1, Main entry term, French
- acide de Lewis
1, record 1, French, acide%20de%20Lewis
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- acide électrophile 2, record 1, French, acide%20%C3%A9lectrophile
correct, masculine noun
- acide selon Lewis 3, record 1, French, acide%20selon%20Lewis
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Composé accepteur de doublet. Ex. : [...] BF3. 4, record 1, French, - acide%20de%20Lewis
Record number: 1, Textual support number: 1 CONT
Les acides de Lewis, accepteurs d'électrons, sont souvent nommés électrophiles; les bases de Lewis se fixent sur la région des particules acides pauvre en électrons, et par conséquent où l'influence positive du noyau se fait davantage sentir : on les nomme nucléophiles. 2, record 1, French, - acide%20de%20Lewis
Record number: 1, Textual support number: 1 OBS
On appelle plus particulièrement «acides de Lewis» des acides (comme BF3, A1C13, Ticl4) qui n'en sont pas selon la définition de Brönsted puisqu'ils n'échangent pas de protons mais acceptent bien, selon la définition de Lewis, une paire d'électrons. 5, record 1, French, - acide%20de%20Lewis
Record 1, Spanish
Record 1, Textual support, Spanish
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