Question

if anyone can check these answers for me and tell me which are right or wrong id appreciate it

0. How can p-aminobenzoic acid (a sunscreen) be synthesized from benzene? (Note that sometimes more than one isomer will be obtained, which is fine as long as the desired isomer is one of the major products.) several steps HOOC 4. Sn, HC 4.KMnO. .KMnO 4.Sn, HC 3.KMnO 3. CHCI, AİCİ, 3. Sn, HC . HNO, H SO 2. HNO,, H:SO4 1, AlCl C 1. HNO, H SO2. CH,CI, AICI D) 1. CH CI, AICl 2. KMnO What product is obtained in the following reaction sequence? 11. 2 Bra FeBr substituents is the most deactivating in the 12. Which of the following nitrogen-containing electrophilic aromatic substitution? A)NH B)NO C)) -CN -NR 13. Glutamic acid is a proteinogen side chain. In which form does glutamic acid exist at pH 1 ic amino acid that contains an additional carboxy group in its ноос Identify the compound C,H CIO, by its spectral data: IR: 3500 cm-2500 cm: 1714 cm H NMR: 2.87 ppm (triplet, 2H); 3.86 ppm (triplet, 2H); 11.8 pprn (singlet İH) 14. Which of the following compounds can be separated by an extraction procedure? 15. CH(CH2COOH and CH(CH) CH CH2 B CH,CH CH CH CH CH-CH2 and (CHCH CH2.0 C CH(CH: COOH and CHj-C&H-COOH D CH(CHCH-Br and CH-C&H-COOCH CH 16. Treatment of starting material X (molecular formula CaH,O) with excess CH,CH MgBr followed by H O, affords product Y (molecular formula C&HO) Starting material X shows a strong absorption in its IR spectrum at 1743 cm (besides other absorptions) Starting material X shows the following 'H NMR signals: 1.2 ppm (triplet, 3H); 2.0 ppm (singlet, 3H): 4.1 ppm (quartet, 2H) Product Y has a strong IR absorption at 3600-3200 cm (besides other absorptions). Product Y also shows the following 'H NMR signals: 0.9 ppm (triplet, 6H): 1.1 ppm (singlet, 3H); 1.5 ppm (quartet, 4H); 1.55 ppm (singlet, H). What is the structure of starting material X 0 17. This is a continuation of question 16 the structure of the product Y? What product is obtained in the following reaction? 18. H3C 2. Hjo* CH3 CH3 H CH3 9. What alcohol and carbonyl compound are by hydrolysis of this acetal? HOCH CH

Answer 1

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