Question:2. Consider the following substitution reactions: Ni(en)2Cl2 2 H20 [Ni(OH2)2(en)2] Cl2 Ni(deen)2Cl2 +2 H20INi(deen)2(0H:2}2] Cl2 where...
Question
2. Consider the following substitution reactions: Ni(en)2Cl2 2 H20 [Ni(OH2)2(en)2] Cl2 Ni(deen)2Cl2 +2 H20INi(deen)2(0H:2}2] Cl2 where...
2. Consider the following substitution reactions: Ni(en)2Cl2 2 H20 [Ni(OH2)2(en)2] Cl2 Ni(deen)2Cl2 +2 H20INi(deen)2(0H:2}2] Cl2 where deen N, N-diethylenediamine (CH3CH2)2NCH2CH2N H2 Identify which of the two you would expect to have a faster rate and clearly explain your logic. For full credit on your explanation include comment(s) on the RDS.
This problem is actually based on stability of chelate
complexes. en and deen both are chelating ligand,
Ni ken)2 ce2 t 2, o u Ce LO 1 HHTT Ni \H Ni(deen)u 2 Ni de), o) Et Et Ni 1 Et Et Ehylevadiamine (en) frm mone stalaler tomplex es with metal than the snbstited ethylenediaminen (deen). Snbshittion atN-untre (ii-Et ronp) increans basicity but at the same time, alro inereases significant amowt o sterie Tepulsion which domintes over the Fon this Jueeom, less stable N (den Substi htion seaction at aster sate companed undergaes compandto mere stableNi(en)