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- Rank the following radicals in order of decreasing stability (most stable to least stable). II IV A IV >T> II > II B III >1> I > IV Al IV > II > I E Il > III > I > VDraw the structures of all monobromo derivatives of 2-methylpentane, C6H13Br, which have the bromine on a primary carbon.Rank the following carbocations in order of decreasing stability, putting the most stable first. II Multiple Choice |> || > II Il >l> II III > T> || III > || > T
- Problem: The Cp2Rh2[µ-(CF3C=CCF3)](CO)(CNR) complex shown above has a Rh-Rh bond distance of 2.67 Å, strongly indicating a covalent bond between the rhodium atoms. How would you electron count this complex to accommodate a Rh-Rh covalent bond?(a) Draw the molecular orbital picture for propa-1,2-diene, H2C=C=CH2. Hint: The three-dimensional geometry is shownin the chapter. (b) Draw the MO energy diagram for propa-1,2-diene. What is the HOMO? What is the LUMO?Stereoisomers share the same connectivity and differ only in the way their atoms are arranged in space. Draw the structure of a compound that is a stereoisomer of cis-1,2-dimethylcyclobutane.(Note that the question asks for a different stereoisomer of the named compound and not the named compound itself.)Use the wedge/hash bond tools to indicate stereochemistry where it exists.In cases where there is more than one answer, just draw one.