What is the balancing method for the reaction equation of ethene and the aromatic ring?
The chemical equation for the reaction of ethene and benz to produce methylethlene was C6H6 + CH2 = CH2 → C6H5-CH2-CH3. The least common multiple method could be used to balance the reaction equation: 1. First, find the element with the largest number of atoms on the left and right ends of the reaction formula. You can choose carbon or hydrogen atoms here. - Taking carbon atoms as an example, before the reaction, there were 6 carbon atoms in the aromatic ring, 2 carbon atoms in the ethene, and a total of 8 carbon atoms. After the reaction, there were also 8 carbon atoms in the graphene. - For the hydrogen atom, there were 6 hydrogen atoms in the aromatic ring before the reaction, 4 hydrogen atoms in the ethene, and a total of 10 hydrogen atoms. After the reaction, there were 10 hydrogen atoms in the graphene. 2. Because the number of carbon and hydrogen atoms before and after the reaction was equal, the equation had been balanced. If the odd-number mating method is used (this reaction is not very typical, but it can be analyzed according to the principle): 1. Observing the number of atoms on both sides of the equation, it was not easy to find the typical odd-numbered spouse in this reaction. - This was because the total number of carbon and hydrogen atoms on both sides of the reaction formula was an even number. - From the perspective of chemical bonds, the combination of the double bond break of ethene and the bond break on the aromatic ring was consistent with the conservation of atoms before and after the reaction from the perspective of atomic number. There was no need for complicated odd-even balancing adjustments. Read more exciting novels for free
How to write the summary of the reaction equation between ethene and the aromatic ring?
The reaction between ethene and ben to form ethlene was a free radical reaction under the effect of the laser. During the reaction, a homolytic crack occurred between the ben ring and hydrogen, producing hydrogen free radical and ben free radical. The hydrogen free radical reacted with ethene to form an ethvl free radical, which then combined with the ben free radical to form ethlene. The reaction equation was: C H + ethene (C H) → methylethlene (C H). Phenomenologically speaking, no hydrogen was produced during the reaction. The double bond of the ethene was opened, and one end was connected to the aromatic ring. A hydrogen was removed from the aromatic ring, and this hydrogen was connected to the other end of the ethene. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The difficulty of the substitution reaction of the aromatic ring is different
When the aromatic ring already had a substitution group, whether it was easy to introduce a new group and which position to enter was mainly determined by the nature of the original substitution group. Substituents on the aromatic ring can be divided into ortho-position, para-position and meta-position. The ortho-and para-positioning groups could allow new groups to enter the ortho-and para-positions of the group. These groups had unshared electron pairs with the atoms connected to the aromatic ring (except for R and Ph), which could be hyper-Conjugated with the aromatic ring, increasing the density of the electron cloud on the aromatic ring, making it easier for new positioning groups to enter the ortho-and para-positions of the group. The meta-locator was also known as the second type of locator, which could allow new groups to enter its meta-position. The atoms directly connected to the aromatic ring were generally either unsaturated (the other end of the heavy bond was an element with a higher electron negativity) or positively charged (there were exceptions), which could reduce the density of the electron cloud on the aromatic ring and make the aromatic ring passive. The electropathic substitution reaction was less active than that of the aromatic ring, and the reaction speed was slower than that of the aromatic ring. Meta-positioning groups (except for those with positive charges) were composed of atoms with high electron negativity and contained an unsaturated bond. They could be bonded to the aromatic ring, reducing the electron cloud density of the aromatic ring. Aromatic compounds were aromatic, so they were not easy to undergo addition reactions, but easy to undergo substitution reactions. However, the nature of the existing substitutes on the aromatic ring would affect the difficulty of the substitution reaction of the aromatic ring and the position of the new group. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction of excessive aromatic ring with ch 2 ci 2
If light was used, the main product of the reaction between the two was C6H5CHCl-CH3, because the hydrogen on the carbon directly connected to the aromatic ring was easily replaced. If Lewis acid was used as a catalyst, the main product was p-chloridoxy, because the para-activity of the aromatic ring could be enhanced by the addition of an ether. Under the light, it would react with water to form wax-like dibenzone and hydrogen chloride.The hydrogen chloride-like vapor would cause people to cough. Dichloromethanes react with benz to form cyanomethylated benz or diphethanes. However, there was no more information about the reaction between excessive aromatic ring and cholecystectomy. From a chemical equilibrium point of view, excessive aromatic ring may cause the reaction to move in the direction of producing more products, but the specific situation still needed to be determined according to the actual reaction conditions such as temperature, light, and whether there was a catalyst. At the same time, it was also necessary to consider that while cholecystectomy was relatively stable, under high temperature, high pressure, or light, it would decompose and release toxic Cl2. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction of nitrogen and ethene
Under high temperature and high pressure and with a catalyst, ethene and nitrogen can react to form Pyrazine (C2H4N2) and hydrogen (H2). During this process, the carbon atoms of ethene combine with the nitrogen atoms of nitrogen to form new compounds. However, there was also a view that nitrogen was very stable and usually did not react with ethene. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The reaction between ethene and alcohol is a substitution reaction
The reaction between ethene and ethanoi was an electropathic addition reaction, not a substitution reaction. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The reaction process of the formation of Butane from ethene
The following is the reaction process of several kinds of ethene to produce butan: 1. First, the reaction of ethene (CH Chi =CH Chi) with Bromine (Br Chi) produces 1,2 -dibromoethane (CH Chi Br-CH Chi Br). 1,2 -dibromoethane will undergo an elimination reaction under the effect of a strong base alcohol solution to produce ethyne (C Chi H Chi). The addition of ethyne itself (under the effect of a catalyst) will produce ethenylyne (CH Chi = CH-CH Chi Chi). The reaction of ethenylyne with sufficient hydrogen will produce butan. 2. After the decomposition reaction, it was possible to produce CH CH (CH CH), which was then converted to CH CH(CH)CH CH (CH) CH CH, which was then converted to CH. 3. The reaction of ethene with hydrogen bromides to form dibromoethane, the elimination of dibromoethane to form ethyne, the reaction of ethyne with Na to form ethyne, the addition of ethene with hydrogen bromides to form ethyne, the reaction of ethyne with ethyne to form 1 -butyne, and the hydrogen addition of ethyne to 1 -butyne to form butane. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction equation of alkene and NaBH
1. According to Markovnikov's rule, the bonus was: <CH3- CH = CH2 + B2H6> 2. Alcohol formed after the decomposition: <CH3- CH(B2H5)-CH3 + H2O> <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The chemical equation of the matting reaction
Under the high temperature smelting conditions, the matte-making reaction can be expressed as: (FeS)+(Cu2O)=(FeO)+(Cu2S), the reaction's Gibbs free energy change is? G0 = -144750+13.05T (J), and the equilibrium constant lgK of the reaction at 1250 ° C is 9.86, indicating that the reaction is rapidly moving to the right at the smelting temperature. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction equation of nitrogen and lithium
The chemical equation for the reaction between nitrogen (N ^) and lithium (Mn ^) is: <br><br> 3 Mn + N ^<br> stack rel {ignite}{=<br>=<br>Mg₃N₂\)。 <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction equation of monobromopropan and alcohol
1-The equation for the reaction of 2-Bromopropan in the presence of Na ethanate is: CH CH2 CH2 Br2 + EdONa → CH CH= CH2. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>