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Draw all the resonance forms for the sigma complexes corresponding to bromination of
aniline at the ortho,
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- Draw all the resonance forms for the sigma complexes corresponding to bromination of aniline at the ortho, meta, and para positions.Draw all the resonance forms of the sigma complex for nitration of bromobenzene at the ortho, meta, and para positions. Point out why the intermediate for meta substitution is less stable than the other two.Explain why bisulfite ion is atmopheric.
- Naproxen is an anti-inflammatory that is the active ingredient of Aleve. Choose the compound that would be suitable for preparing the necessary diastereomeric salts to purify the racemic mixture of naproxen shown belowGive a resonance structure for the following compound and explain why it is more stable than an aliphatic diazonium salt. NEN &Q2 Explain why copper iodide increases the reactivity of organolithium compounds towards alkyl halides.
- draw the strucutre based off the IR spectrum, 1H NMR spectrum, and 13C NMR spectrum for Compound B. Compound B may be prepared by treating Compound A with borane/THF complex followed by oxidative work-up. Compound A (C8H16) → Compound B (C8H18O)Draw the sigma complex for the formation of the bromonium electrophile with proper resonance forms for the meta bromination of toluene and for the para bromination of toluene.Arenediazonium salts are less stable than aliphatic diazonium salts. True False
- Q1/Do as required: 1-The role of H2SO4 in Preparation of Nitrobenzene. Explain 2- Preparation of Nitrobenzene in cool phase. 3-In an experiment Hydrolysis of Acetanilide What color does the litmus paper change to and why? 4-When acetanilide reacts with bromine (x), acctanilide gives p-bromo acetanil 5- why used strongly alkaline (NaOH)in Preparation of Aniline?When these two compounds are subjected to iodination like how vanillin is subjected to iodination, predict the products that could be formed. Need help please.How does the 13C NMR resonance of the thiol/thione carbon compare between the free HOPTO ligand and the complexed ligand in Pd(mpo)2? Propose a reason for the difference and why this resonance is shifted more than the others.