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could you please tell and explain question 4 to me and explain the three states T,E,A?
ON -C – N – NO( b )Cobaltocene , CozCo , is stable at room temperature . However , the rhodiumanalogue is unstable and dimerizes to give the compound with molecular formulaRha C2OF20. Propose two possible structures for the rhodium dimer and indicatethe electron count of the two structures .( 6 marks )4 .( a ) Give the ground state Russell – Saunders terms for :”( 1 )Crist jon( 1 1 ) Cost ionGive also the spectral terms in an octahedal field that would correlate with theRussell – Saunders terms in ( 1 ) and ( ii ) .( 3 marks )Page 3 of 1.1( b ) Classify the following electronic configurations as I , A , or Estates .( 1 ) ( 1 28 ) ” ( ed )* in an octahedral metal complex with S = !'( 1 1 ) ( 1 28 ) ( eg ) in an octahedral metal complex with S = 5/2( iii ) ( 1 28 ) ( eg )* in an octahedral metal complex with S = 0( iv ) ( @ )* ( + 2 )` in a tetrahedronl complex with S = ]( 4 marks )5 .( a )Compare the metal-ligand bond lengths within each of the complexes ,[ CI ( OH 2 ) 612+, [Co ( OF1 2 )6}+ and [Co(NH3 ) OF+ and justify your answers withreasons .( 4 marks )( b )State the innersphere election transfer mechanism .*Predict which of thecomplexes in ( a ) can undergo innersphere electron transfer reactions .\Explain .( 4 marks )Section BAnswer THREE questions in this section in the BLUE book . ( Total 60 marks )6 .( 2 ) The industrial synthesis of ibuprofen is conducted through an efficient three-stepprocess called Boots -Hoechst – Celanese Synthesis shown in Figure 2 . The keystep that transforms A to B in the presence of CO using the catalystcis – PdCla ( PPL13) 2 is shown below . Propose a catalytic cycle that converts A to BDraw all intermediates and identify all reaction steps in the process .cis – Pack2 ( Pph3/ 2 , CO CH-4H 2O HO -BibuprofenFigure 2 . Reaction Scheme of Boots – Hoechst – Celanese Synthesis( 12 marks )
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