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单词 double bond
释义

double bond

noun
A chemical bond in which two pairs of electrons are shared between two atoms.This is in contrast with most electrophilic additions to carboncarbon double bonds, and with nucleophilic substitutions at saturated carbon atoms....
  • The benzene molecule is a six-carbon ring with alternating single and double bonds between the carbon atoms.
  • Organic sulfates are esters and are formed by reacting an alcohol with cold sulfuric acid or by the reaction of sulfuric acid with a double bond in an alkene.
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更新时间:2025/2/24 7:43:26