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Q: Provide the mechanism for the following reaction (1) PhMgBr (2 equiv) (2) H3O+ workup OH
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Q: Consider the following reaction at 298K. → Hg (I) + Fe2+ (aq) Hg2+ (aq) + Fe (s) → Which of the…
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Draw the arrow pushing mechanism for the transfer hydrogenation converting dehydrozingerone to zingerone. ( be specific use dehydrozingerone and show its conversion to zingerone not just some general
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- None• What do you mean by auto-acceleration? • List down the factors that affect the cationic polymerization. Fill in: Unlike free radical polymerization, the termination in cationic polymerization occurs by -----. • In cationic polymerization, Dp increases with ---- in polarity, ---- in T and ---- in acidity.4. The hydrogenation of acetylene (C2H2) on Pd metal sites (*) is proposed to occur via elementary steps consisting of: 1) QE dissociative adsorption of H2; 2) QE molecular adsorption of C2H2; 3) & 4) QE sequential addition of H* to form C2H4*; 5) Ireversible desorption of ethylene. (a) Write the mechanism of the reaction with the stoichiometric number of each step. (b) Derive the rate expression in tems of constants and measurable quantities when CH,* and * are the MARI. If C;H4 is in the MARI expression, why is the rate independent of the concentration of C¿H4 in the gas phase? (c) At some conditions, the experimental rate is zero order in both CH2 and H2. What additional assumption(s) are required for this observation to be consistent with the rate expression derived in part (b)? If, under certain experimental conditions, an effective zero order rate constant is measured, explain the chemical significance of this constant (in terms of rate or equilibrium constants for elementary…
- 3b) please see attached1. Which breaks down more quickly in an aqueous solution? DNA RNAQ5:- 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?
- P17A.1 The following initial-rate data were obtained on the rate of binding of glucose with the enzyme hexokinase present at 1.34 mmol dm. What is (a) the order of reaction with respect to glucose, (b) the rate constant? C,HO/(mmoldm) 1.00 1.54 3.12 4.02 v/(mol dms) 7.6 20.0 5.0 15.51. What is the degree of polymerization for the polymer shown below: 25 HO_CH, GOH +25 HẠN—(CH,NH: 25 HO-C-(CH2)4-C-OH + 25 H₂N-(CH2)6-NH2 [ { «cw,, -cu,,É_Nu—(CH,),—vu- [& -NH–(CH,)NH- +50 H,O a) 25; b) 50; c) 75; d) 15 25 2. Circle the right answers. If the polymer above is: homopolymer or copolymer homochain polymer or heterochain polymerWrite the repeating units expected from the following polymerization reaction(h) Please help! 250-327C (b) CH,ČO- COH