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Explain and describe the objective for preparation of p-Iodonitrobenzene.
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- What hazard is associated with using palladium on carbon as a hydrogenation catalyst? and define chemoselectivity.The aerobic oxidation of para-xylene to terephthalic acid is an important process in industrial chemistry. Discuss why the oxidation of the second methyl group requires harsher conditions than the oxidation of the first methyl group. You should accurately reference all your bibliographic material.What are the products prepared for preparation of p-Iodonitrobenzene?
- Acidified potassium bromate(V), KBrO3, reacts with hydrogen sulfide, H2S, to give a yellow solid and an orange solution. On shaking the solution with trichloroethane, the trichloroethane layer turned orange-red. (a) Suggest the identity of yellow solid and the orange solution. Describe the type of reaction taking place. (b) Construct a balanced equation for the reaction between KBrO3 and H2S. (C) BrO3- is the conjugate base of HBrO3. Draw the dot and cross structure of HBrO3. (d) HBr is a stronger acid than HCl. However, HBrO3 is a weaker acid than HCIO3. Explain the difference in acidities.A compound E C7H12O gives a crystalline precipitate with 2,4-dinitrophenylhydrazine. It gives a maximum absorption in the ultraviolet spectrum at 248 nm,( ᶓmax = 104). Suggest the possible structure(s) for compound E.Explain and describe the conclusion for preparation of p-Iodonitrobenzene.
- 1)Use the mechanism for the cobalt carbonyl hydride ( (HCo(CO)4 ) catalyzed hydroformylation of 1-hexene to illustrate how hexane can occur as a side product . 2)Outline how Fe(CO)5 can function as a catalyst for the water gas shift reaction ( CO + H2O ⇄ CO2 + H2 ) .(b) Ozonolysis process was carried out towards an unknown organic compound, X, to produce propanal, C3H6O and compound Y. Propanal was then further oxidized into compound z, C3H6O2 by using potassium permanganate, KMNO4 under acidic condition and heating. As an alternative, compound Y can be produced from the reaction of benzene with ethanoyl chloride, CH3COCI with the presence of aluminium trichloride, AICI3. Proses ozonolisis telah dijalankan terhadap sebatian organik yang tidak dikenali, X untuk menghasilkan propanal, C3H6O dan sebatian Y. Propanal kemudiannya dioksidakan menjadi sebatian Z menggunakan KMNO4 dalam keadaan berasid dan panas. Sebagai alternatif, sebatian Y boleh dihasilkan daripada tindak balas antara benzena dengan etanoil klorida, CH3COCI dengan kehadiran aluminium triklorida, AICI3. (1) Draw the structural formula of compounds X, Y, and z. Lukiskan formula struktur bagi sebatian X, Y, dan Z. (ii) Show the formation of electrophile that will be reacted with benzene…(b) (d) (b) The following reactions as written will NOT give the indicated product. For each of the reactions explain (a) НО (i) (ii) (iii) OH The reason why the reaction as written will not occur; How the reaction could be modified to give the indicated product (may include the use of alternative or additional reagents); What should be the outcome for the reactions as written? OH CO,CH,CH, OH 1. CH₂OH/H* 2. Zn/Hg 3. H* 1, (CH₂CH₂)CuLi 2. PCC CrO3 Pyridine 2 x CH₂MgBr H+ ỌCH3 COH(CH3)2 = OH
- Ozonolysis process was carried out towards an unknown organic compound, X, to produce propanal, C3H6O and compound Y. Propanal was then further oxidized into compound Z, C3H6O2 by using potassium permanganate, KMnO4 under acidic condition and heating. As an alternative, compound Y can be produced from the reaction of benzene with ethanoyl chloride, CH3COCl with the presence of aluminium trichloride, AlCl3. (i) Draw the structural formula of compounds X, Y, and Z (ii) Show the formation of electrophile that will be reacted with benzene for the formation of compound Y. (iii) What is the name of reaction to convert benzene into compound Y?(a) Suggest chemical reaction for the production of benzoic acid.An organic chemist was subjected to sodium fusion and the resulting lassaigne's extract boiled with FeSO4 and acidified with concentrated H2SO4, yielding a prussian blue color. Give the structure of one of the organic compounds which fits the description.