Write the mechanism of free radical polymerisation of the following reaction: Initiator: AIBN EGYN= H3C CH 3 H3C CH3 ·CEN Monomer: methyl methacrylate The mechanism should include: 1. Initiation of primary radical and activated monomer 2. Propagation - head-to-tail addition 3. Termination - combination and disproportination
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- 2,2-dimethylpropane only reacts with bromine in a solvent of CCl4. The presence of sunlight is required in this reaction. Specify the type of reaction and show the complete mechanism for the reaction occurred. This is a free radical halogenation, however I don't understand what it meant by "only recats with bromine in a solvent of CCL4"... can I have some explanation :(In the light-catalyzed alkane chlorination mechanism, the first stage (first step) consists of the cleavage t DY -C-H »r ܘܘ: ܘܘ: ܀ X- + :Q -:+ *@ ܘ: ܘ: :ܘ: ܘ:Ti Which of the following is the most stable carbonation? ed 50 4 1 3 O a. 1 O b. 3 О с. 2 O d. 4 US PAGE NEX cer 17: lecture (1) 4/4/ Jump to.. at @ PUelC All rights reserved TOSHIBA - | -- | - |--| - | - | B/O FS F6 F7 F9 F10 F1 24 & A 4
- 7 Provide a concise explanation for why, in the case of polymerisation shown below where the monomer conversions are high, the polydispersity values of the polymer produced will s are exceed 1. H2N. `NH2 2 HCI foreDiels-Alder reaction mol amount of anthracene used O.035g 0.2529 0.2145 amount of maleic anhydride used amount of crude product obtained amount of purified product obtained recrystallization recovery, % product theoretical yield crude product yield, % purified product yield, % Write the equation for the overall reaction: Product Characterization crude product purified product melting range, °C The product will be characterized by IR. Please label the pertinent absorbances on the spectrum of your product, as well as the provided spectrum of the starting materials, anthracene and maleic anhydride.622 The structure of the major organic products) For the Following reaction is HCI i OH is B The structure of the major organic producks) For the pollowing Br <(CH3), NasH Q24 what is the main product oF the FOllowing headion ? Na /ambot unsa diri NaOH hurag in ana Q25. Consider the pollowing reaction KI Br acetone clasipted are as The alyl bromide storting materials in these reaction Q26 as work a cids alcohols and phenols dissociate to reactant in dilute aquedus solution by donating a proton towater generating legh slight の
- Question 15.dox (Protected View) - Microsoft Word (Product Activation Faile References Mailings Review View Home Insert Page Layout Enable Editing Protected View This file originated from an lInternet location and might be unsafe. Click for more details. Question 15 Page: 1 of 1 Words: 26) What is the nucleophilic site in the following compounds? H3C-0-CH3 H2C=CH2 CH;NH2 II II A) | = Hydrogen; I| = TT electrons in bond; III = nitrogen. %3D B) | = Oxygen; II = carbon; III = nitrogen. C) Hydrogen; II = carbon; III = carbon. %3D D) | = Oxygen; II = TT electrons in bond; III = nitrogen.Q5:- A:-Consider the following monomers and initiating systems:- Monomers Initiating Systems CH,COOH + Fe" vinyl chloride AICI, + (CH),CCI acrylic acid Li + NH, 1- What is the actual initiating species that initiates polymerization for each of the vinyl alcohol initiating systems? 2- Show the mechanism polymerization for each it?
- Direction: Solve the followmg problem to the best of gour ability. Inclose only your final Janswer in a box wheneber appropnate. Correctness ŏf units and number of sianiçicant figures expréssed of your final answerd is highly 'anticipated. For a certain reaction, it is found that the equation relating the specifie rate constant, K(MIs), and absolute fempenture, in T, is : -4420 +12.20 In k = ai What is the value of the Speciçie rate cons tant, k (MIs) at 5ook? of b What is the acti vation energy, in dercribed abore ? KJmol, for tht procesPERFORATED SH 16. Give an example of the propagation steps in a free-radical mechanism. Show equation and comect arows and symbols.*f. 1а. El2BOMe THF, -78 °C 1b. NaBH4 3. DIBAL-H (1.2 eq) toluene, -78 °C OH O .CO2t-Bu F1 F2 2. TESCI (2.5 eq), • imid, DMAP (cat.) DMF, rt