Given the fact that iodine in acetyl hypoiodite is much more electrophilic than I2, suggest a reasonable mechanism for the preceding reaction.
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Given the fact that iodine in acetyl hypoiodite is much more electrophilic than I2, suggest a reasonable mechanism for the preceding reaction.
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- (d) What is a hychiele? Outline the Step wise mechanisy Involved in the reaction of lithium aluminium hydride w with 2-butanone Hud mill oAssign the following as Ror S.AZ91 alloy; a) What is its chemical composition? b) Which of the strength increasing methods are suitable and which are not? Explain c) Is nitration suitable as one of the surface hardening methods? Please explain
- Describe the species that would result from the subsequent transfer of the proton from the metal to one of the Cp rings of ferrocene. Give the formal oxidation state of the metal centre and the valence electron countThe chromium(111) ions are oxidized to chromate ions.The peroxide ions are reduced to hydroxide ions.Write down unbalanced half reaction equations and a balanced overall equation for the reaction in alkaline medium.The physical states of all the reagents and products must be shown throughout.The method of assay for sulfonamides is? Kjeldahl method Diazotization method Gravimetric analysis Titrimetric analysis Volumetric analysis
- Give reasons for the following observations: (i) A delta is formed at the meeting point of sea water and river water. (ii) NH3 gas adsorbs more readily than N2 gas on the surface of charcoal. (iii) Powdered substances are more effective adsorbents.Suggest the mechanisms usedDescribe the mechanism by which stereoregular polyolefins are formed in heterogeneous coordination polymerization. Complete the reaction scheme below, showing initiation, propagation and transfer to monomer steps in the synthesis of isotactic polypropylene. The catalyst, R-MLn, represents a crystalline organometallic compound, where M is a metal atom with a vacant d-orbital, R is an alkyl group directly attached to the metal atom; and Ln represents a halide ligand set. Assume all chain ends are terminated by transfer to monomer. R-MLn +