Hydroxyl group | Definition, Structure, & Facts | Britannica
网页Hydroxyl group (―OH), in chemistry, a functional group with one hydrogen and one oxygen atom. An oxygen atom normally forms two σ bonds with other atoms; the water molecule, H2O, is the simplest and most common example. If one hydrogen atom is removed from a water molecule, a hydroxyl functional.
Hydroxy group - Wikipedia
网页In chemistry, a hydroxy or hydroxyl group is a functional group with the chemical formula −OH and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydroxy groups.
羟基 - 维基百科，自由的百科全书
网页羥 （ qiǎng ） 基 [1] （英語： hydroxy／hydroxyl（group） ）又称氢氧基，化学式－OH，是氧原子以共價鍵與氫原子連接的化學基團，有時也稱醇官能團，是常见极性 基团。
hydroxyl是什么意思_hydroxyl的翻译_音标_读音_用法_例句_爱词 …
网页介绍了一种含环氧基聚酯的羟值测定方法, 即乙酰氯法. Hydroxyl acrylic acid resin ( HAR ) with high solid and low viscosity anacrylic acid monomer in solution. 采用溶液聚合法合成了高固体分低粘度的羟基丙烯酸树脂 ( HAR ),详细讨论了引发剂、链转移剂、反应温度、溶剂等对HAR粘度的 ...
羟基 - 百度百科
网页在有机物中，在有机化学的系统命名中，羟基与脂肪族烃基相连的化合物的称作醇，羟基与苯环直接相连的化合物称作酚。. 醇羟基不体现出酸性（阿伦尼乌斯酸碱理论中），酚羟基和羧羟基体现出弱酸性（因而苯酚可与钠反应），酚羟基酸性比碳酸弱，强于 ...
Hydroxyl Definition & Meaning - Merriam-Webster
网页The meaning of HYDROXYL is the chemical group, ion, or radical OH that consists of one atom of hydrogen and one of oxygen and is neutral or negatively charged.
Hydroxyl Group Definition - Chemistry Term - ThoughtCo
网页2018年11月5日 · The hydroxyl group is a functional group consisting of a hydrogen atom covalently bonded to an oxygen atom. The hydroxyl group is denoted by -OH in chemical structures and has a valence charge of -1.
Hydroxyl Group - Definition and Quiz | Biology Dictionary
网页2017年4月28日 · A hydroxyl group is a functional group that attaches to some molecules containing an oxygen and hydrogen atom, bonded together. Also spelled hydroxy, this functional group provides important functions to both alcohols and carboxylic acids.
醇羟基 - 百度百科
网页醇羟基（hydroxyl group），醇中的羟基，酸性按伯、仲、叔醇的顺序减弱。. [1] 醇羟基与伯、仲或 叔碳原子 相连为 伯醇 、 仲醇 或 叔醇，按醇分子中所含羟基数目可分为一羟醇（一元醇）和多羟醇（多元醇），多元羟醇中的羟基在相邻 碳原子 上时，叫做邻醇 ...
Hydroxyl Group | Overview & Research Examples - Perlego
网页A hydroxyl group is a chemical functional group consisting of an oxygen atom bonded to a hydrogen atom. It is commonly found in alcohols and organic compounds, and its presence can significantly influence the chemical properties of a molecule.