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- organic chemistry 37) The most reactive towards nucleophilic acyl substitution is:Which of the following reagents reacts with an alkene through a radical mechanism? A. HCl in water B. concentrated H2SO4 C. Br2 in acetone D. HBr with CH3OOCH3Are the following nucleophiles, electrophiles, they be both a nucleophile or electrophile, or neither? pyridine alkenes Hg+ (ex. Hg(OAc)2 CH3ONa PBr3
- Predict the product formed in the nucleophilic aromatic substitution reaction between 1-chloro-2,4-dinitrobenzene and sodium methoxide (NaOCH3). Draw the mechanism for the reaction, showing why the product you have selected is formed.Select which molecule is the better nucleophile in the following pair: a). Br− or Cl− in H2O b). CH3O− or CH3OH in H2O c). HO− or HS− in H2O d). I− or Br− in H2O34. E2 is bimolecular which means: both the nucleophile and the product take part in the step whose kinetics are measured both the nucleophile and the alkyl halide take part in the step whose kinetics are measured both the product and the alkyl halide take part in the step whose kinetics are measured None of the above
- Below is the equation for a nucleophilic substitution reaction and some experimental data. CH3CH2Br + CH3COO- ⇌ CH3CH2CO2CH3 + Br- ΔH=-75 kJ/mol Rate = k [CH3CH2Br][CH3COO-] Which reaction energy profile would be the best representative of the data provided?Rank the set of compounds in order of reactivity (fastest to slowest) in a nucleophilic addition-elimination reaction with a nucleophile such as CH3NH2.Rank the nucleophiles in each group in order of increasing nucleophilicity. a.−OH, −NH2, H2O b.−OH, Br−, F− (polar aprotic solvent) c.H2O, −OH, CH3CO2−
- 10. Correct order of reactivity towards nucleophilic addition:- Formaldehyde 2. Acetaldehyde 3. Acetone a) 2 > 1 > 3 b) 1 > 2 > 3 c) 3 > 2 > 1 d) None of the aboveIllustrate the resonance effect of the methoxy group -OCH3, on the structure of the benzene ring. Draw all the oissuvke resonance forms of methoxybenzene, including the hybrid Based on the structures, explain how the presence of the -OCH3 group affects: (i) the reactivity of the benzene ring towards electrophilic attack (ii) the orientation or point of attack of an incoming electrophilic reagent on the benzene ring.QUESTION 7 Identify the best nucleophile in a substitution reaction at a primary carbon. a. H2O b. (CH3)3CO- c. CH3CH2O- d. HO-