有機反應機理部分17個Alevel化學詞匯概念整理
時間：2020-09-01 16:29 ? ? ? 來源：A加未來國際教育 ? ? ? 
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有機反應（organic reaction）即涉及有機化合物的化學反應，是有機合成的基礎(chǔ)。很多同學們對于有機反應的原理總是搞不清楚，今天A加未來小編特地為大家整理了這部分的一些常見的
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有機反應（organic reaction）即涉及有機化合物的化學反應，是有機合成的基礎(chǔ)。很多同學們對于有機反應的原理總是搞不清楚，今天A加未來小編特地為大家整理了這部分的一些常見的Alevel化學詞匯概念，相信掌握好這些內(nèi)容對于大家的成績提升會非常有幫助。
01、Functional group
a group of atoms responsible for the characteristic reactions of an organic compound.
02、Homolytic fission
the splitting of a covalent bond where each atom retains one electron from the bonding pair.
03、Heterolytic fission
the splitting of a covalent bond where one atom retains both electrons from the bonding pair.
04、Free radical
an uncharged molecule with an unpaired electron.
05、Initiation
an initial chemical reaction which triggers further reactions.
06、Propagation
a secondary reaction where there is no net gain or loss of free radicals.
07、Termination
the final step in a chain reaction where a reactive intermediate is rendered inactive.
08、Nucleophile
a molecule or substance that donates electrons.
09、Electrophile
a molecule or substance that acts as an electron pair acceptor.
10、Addition
a reaction where two or more molecules react to form a larger molecule.
11、Substitution
a reaction where an atom or group is replaced by another atom or group.
12、Elimination
a reaction in which two substituents are removed from a molecule in a mechanism with one or two steps.
13、Hydrolysis
the splitting up of a compound or molecule using water.
14、Hydrolysis
the splitting up of a compound or molecule using water.
15、Condensation
the formation of a compound with the release of water.
16、Oxidation
the formation of a compound with the release of water.
17、Reduction
gain of electrons.
以上就是A加小編關(guān)于有機反應部分常見的Alevel化學詞匯整理，相信掌握好這些詞匯和概念會對大家理解有機反應原理起到很大的幫助。在Alevel課程學習中如果還有什么問題，可以隨時聯(lián)系我們的線上老師哦！
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