Rxn #1 CH;CH,Br + Nu: CH;CH,Nu Br Rxn #2 CH;CH,I Nu: CH;CH,Nu I Which reaction would be expected to proceed at a faster rate? EXPLAIN YOUR ANSWER.
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Examine the nucleophilic substitution reactions shown below:
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- The order from most reactive to least reactive with aqueous ammonia is (А) CH--o-č-CH, * CH,--oCH,CH, * CH,--a CH--č-OCH,CH, ° CH,--c³ CH---o-č-CH, > CH3-C-OCH2CH3 | CH3-C-CI | (В) %3D > CH3-C-CI CH3-C-0-C-CH3 (C) > CH3-C-CI CH3-C-OCH2CH3 CH3-C-0-C-CH3 (D) || > CH3-C-CI CH3-C-0-C-CH3 CH3-C-OCH2CH3b) Identify A and B and provide mechanism of the reaction. NH2 HONO heat A `CO2H H;CO,C|| C-H CH,OH Н-С-ОН Н-С -ОН Hydrogen catalyst НО -С —Н НО-С—Н H-C-OH Н-С—ОН H-C–OH Н-С-ОН CH,OH CH,OH Sorbitol Glucose
- 24. Which product is formed by the reaction ? A) | B) || C) ||| D) IV Br ОН NaH Br ... هستم IV12) Use the curved arrow formalism to show the movement of electron pairs in the following reaction and label each reactant as a nucleophile or an electrophile. CHÍNH CHỊCH, + CO Học Nha CH₂CH₂CIConsider the following mechanism of reaction: CH3 CH, CH3 CH;C CH, + H-CI CH;CCH, + C: → CH;CCH, tert-butyl cation CI tert-butyl chloride In this reaction: The alkene and the carbocation intermediate are both nucleophilic HCl and CI" are both nucleophilic The alkene and HCI are both electrophilic The carbocation and CI" are both electrophilic The alkene and CI" are both nucleophilic AMeving to another question will save this response
- Chemistry HO -OEt HCI (catalytic) H₂O + EtOH Draw the arc arrow mechanism. Include all relevant free electron pairs, arc arrows, formal charges, structures of intermediates and by-products. Hint: the reaction starts with the protonation of alcoholWhich of the following would be the major product of this reaction? Br t ㅅ H 1 OIV O ||| O II Hint Save for Later Kot-Bu II ||| t IVDraw the most stable resonance form for the intermediate in the following electrophilic substitution reaction. H3PO4 CH3O CH3O • You do not have to consider stereochemistry. • Include all valence lone pairs in your answer. • In cases where there is more than one answer, just draw one. +opy aste C P - [F Fo OH
- The two reactants shown below are combined to bring about a nucleophilic substitution reaction O NaOCCH, Which letter designates the electrophilic carbon at which substitution occurs? (If no reaction occurs enter the letter corresponding O b Oc Od O none + Br CH₂CH₂CHCH₂Plastic photochromic sunglasses are based on the following reversible rearrangement of a dye inside the lenses that occurs when the lenses are exposed to sunlight. The original dye absorbs UV light but not visible light and is thus colorless, while the rearrangement product absorbs visible light and is thus darkened. (a) Show the mechanism of the rearrangement. (b) Why does the rearrangement product absorb at a longer wavelength (visible light) than the original dye (UV)?Pt + H2 он CH;CHCH, CH; What starting reactant is necessary to complete the reaction above? 2CH;C-H CH,CH, CCH; 2CH;C-H CH,CH, CHCH; Ó-CH;