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- Why is there a need to wash the residue (which could be CaC2O4) twice with water before the addition of H2SO4, heating, and KMnO4 to confirm the presence of C2O4-2?How might conjugate addition reactions of lithium diorganocopper reagents be used to synthesize the following compounds?Suggest at least two other reagents which may be used in place of elemental zinc in the synthesis of Cr2(H2O)2(u-OAc)4. Justify your choice based upon delta G_rxn. Why does zinc make a more practical choice?
- Anilinium ion, PhNH3+ , Catalyze semicarbazone formation from benzaldhyde much more effectively than would be expected on the basis of its strength as an acid. Explain.Write the mechanism of imine formation through aminoalcohol reacting butanone with aniline (C6H5NH2) at pH=4-6predict the structure of thiourea azo derivatives formed from 4-aminoacetanilide and the frequency of the compound for FTIR analysis.
- Suggest a possible mechanism for this, extraction using NH3For extraction with ethyl-4-aminobenzoate and naphthalene using dichloromethane as the solvent, how does one separate the two compounds from one another?Anhydride means "without water". Suppose 1M H2SO4 were substituted for the concentrated H2SO4. Would the yield of acetylsalicylic acid be increased, decreased, or unaffected by the substituition? Explain
- Give reasons for the following observations :(i) Leather gets hardened after tanning.(ii) Lyophilic sol is more stable than lyophobic sol.(iii) It is necessary to remove CO when ammonia is prepared by Haber’s process.1. How could the optical purity of the (S)-(-)-α-methylbenzylamine be increased by further experimentsDevelop a likely mechanism of the formation of Peroxyacetylnitrate Write in detail please.