Consider the substitution reaction shown below. By what mechanism will the reaction proceed? Br HOCH3 OCH3 heat Free radical reaction O SN1 O SN2
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- H202 Ho write the mechanism of each reaction)QUESTION 11 While examining radical halogenation reactions, we saw that different "reaction pathways" lead to the formation of different products. How does the difference in energy between the activation barriers of rate-determining steps (AAGI) for these pathways affect the selectivity of the reactions and the products that are produced? O A. The bigger the difference in energy between activation barriers results in a more selective reaction. The reaction is relatively "clean" and mostly produces one product. O B. The bigger the difference in energy between activation barriers results in a less selective reaction. The reaction is "messy" and produces a more equivalent mixture of products. O C. The smaller the difference in energy between activation barriers results in a less selective reaction. The reaction is relatively "clean" and mostly produces one product. O D. The smaller the difference in energy between activation barriers results in a more selective reaction. The reaction is…Explain why the combustion of a fuel such as methane is aseries of free radical reactions.
- Br Predict the catalytic hydrogenation reactions C ABROM Н2 Lindlar's Catalyst H₂ Pt, EtOH, 20 °CQuestion 24 Consider the substitution reaction shown below. By what mechanism will the reaction proceed? NaCN Br DMSO O There is not enough information to tell. O Free radical reaction O SN1 O SN2Consider the following SN2 reaction, CI NaN3. - Assuming no other changes, what is the effect on the rate, if the concentration of 1- chloro-3-methylbutane is doubled? a) It would double the rate Ob) It would increase four times O c) It would reduce by half P Od) No effect O e) It would triple the rate Question 5 (1 point) F3 DOD 000 F4 N3 F5 NaCl 3 ► 11 F&
- 1) Н—С—-Н 2) CH2 3) 4) 5) 6) он На, Pt NANH2 HаОг, NaOH, H0 CH;Br H2, Lindlar's catalyst CrOз, H>SO4, HzO снCH,Br NaBH, NaOH CH;CH2CH;Br Вн-THFWrite the mechanism for the following reaction: `Br ELOH Write the mechanism and predict if the reaction above be faster or slower than the following reaction? Explain. Br ELOH20 Proposed mechanism for a reaction is O3 + NO2 ------------> NO3 + O2 slow NO3 + NO2 ---------> N2O5 fast What are the intermediates in the proposed mechanism? a. O3 b. NO2 c. N2O5 d. NO3