【不求三连,只求一赞!化学作业,点赞评论越多分越高!救救孩子吧!】这个视频讲了高中化学烷烃的命名,画图和反应。因为视频时长不多,所以不是很细节,在这里跟大家道个歉!但如果你觉得学到了一点东西,请点个赞吧!谢谢大家!
CH3-CH3 * Reaction mechanism free radical chain reaction (1). Chain-initiating step (2).Chain-propagating step (3) Chain-terminating step 不同氢原子的活性不同氢原子的 19、活性 例: Cl.+CH3-CH2-CH3 410kJ.mol -1 CH2-CH2-CH3 . (10) 397KJ.mol -1CH3-CH-CH3 . (20) 另: 30 CH( D...
The large negative Δ S ≠ values support an associative mode of substitution mechanism for both reaction steps. 1 H and 195 Pt NMR spectroscopy established that the α,ω-alkanediamine linkers remained coordinated to the metal centres, possibly due to their cis geometry to the incoming thiourea...
The substitution of methane:Mechanism of this reaction is one of the methane molecules hydrogen atoms are replaced by chlorine gas molecules in a chlorine atom, in turn, generate a methyl chloride, methylene chloride, chloroform, four chloride methane, hydrogen and chlorine gas molecules replace ...
Methane can be burned, but cannot be oxidized by acidic KMnO4 solutions; The substitution of methane: Mechanism of this reaction is one of the methane molecules hydrogen atoms are replaced by chlorine gas molecules in a chlorine atom, in turn, generate a methyl chloride, methylene chloride, ...
第五章卤代烷(Haloalkanes,Alkylhalides)§5.1卤代烷的分类和命名 5.1.1分类(Classification)R-X(X:F,Cl,Br,I)脂肪卤烃 饱和卤烃RCH2X 1°RCH2-X2°R2CH-X3°R3C-X 不饱和卤烃 R-CH=CH-X(vinyl)乙烯型R-CH=CH-CH2X(allyl)烯丙基型 芳香卤烃 X 卤苯型 CH2X苄基卤型 CH3Cl Methylchloride...
Increased hydrocarbon substitution (branching) was found to decrease the calculated reaction barriers, based on the CIS at the transition state. Importantly, SARs developed for alcohol dehydration on various metal oxides were found to accurately capture the catalytic activity trends in alkane ...
Aryl halides are extremely less reactive towards nucleophilic substitution. Predict and explain the order of reactivity of the following compounds towards nucleophilic substitution: tert-Butyl Bromide reacts with aq. NaOH by SN1 mechanism while n-butyl bromide reacts by SN2 mechanism. Why? Predict th...
AS-level化学halogenoalkane(卤代烃)复习笔记
Another embodiment includes an isolated polypeptide or fragment thereof having at least 90% identity, and preferably 95% identity, with the amino acid sequence of SEQ ID NO: 2 and having an amino acid substitution corresponding to A97V.