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Show the structure of the following amino acids in their zwitterionic form. Assume no side chains are modified
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- The following molecules and ions are grouped by similar structures. Classify each as aromatic, antiaromatic, or nonaromatic. For the aromatic and antiaromatic species, give the number of pi electrons in the ring. (а) нн H H (b) H H H H H H H H (c) (d) H H +, + H H (e) (f) H, H. H (h) CH, H H H. B.Give the molecular structures of reagent or products for the following chemical reactions: (1) KMNO4, HO, heat PC15 (i) LIAIH(O-t-Bu)3, Et,O, -78°C H;O (A) (B) (C) (а) (ii) H2O OH SOCII, NaCN (i) DIBAL-H, Hexane (E) (F) HCN (b) (ii) H20 (G) (i) DIBAL-H, Hexane HO. (i) LIAIH4 (H) (I) (c) (ii) H2O (ii) H2OHi! I'm a college student and i need your help in answering my chemistry subject. Please do help me and I promise to rate it helpful. Please put an understandable or clearer solutions and if possible you can put a brief explanation. Thank you so much and God bless!
- 6. Which of the following statements concerning ethanoic acid are correct? (1) It cannot be completely neutralized by sodium hydroxide. (2) Some colourless gas will be given out when it reacts with calcium granules. (3) It is a monobasic acid. (1) and (2) only (1) and (3) only (2) and (3) only D. (1), (2) and (3) 7. Which of the following compounds is a soluble base? А. В. С. Lead(II) oxide Iron(II) sulphate Potassium hydroxide А. В. С. D. Zinc oxide 8. Which of the following pairs of species are conjugate acid-base pairs? А. HІ, NaOH В. Н.РО, РО, С. Н.О", ОН" D. H,SO4, HSO,27(c) Most basic nitrogen A or B? (Hint: The lone pairs on the two play different roles in the aromaticity of the molecule, and consequently one Nitrogen will get protonated before the other)Write the equilibrium-constant expressions and obtainnumerical values for each constant in. (a) the basic dissociation of aniline, C6H5NH2. (b) the acidic dissociation of hypochlorous acid,HClO. (c) the acidic dissociation of methyl ammoniumhydrochloride, CH3NH3Cl. (d) the basic dissociation of NaNO2. (e) the dissociation of H3AsO3to H3O+and AsO33-. (f) the reaction of C2O42-with H2O to give H2C2O4and OH-. show solution
- (a) Suggest a synthesis for the following molecules starting with benzene and any other necessary reagents. (i) H2N CI (ii) OH CN 6.Complete the following reaction. (140) do. -HCK(+Write the structures of the following compounds:(a) Butyldiethylammonium bromide (b) Tetrabutylammonium hydroxide(c) Propylammonium iodide (d) Isopropylmethylammonium chloride
