The Stability Constants Of Some Copper Complexes Are Given Below En Ethylenediamine Complex Cu En 2 Cu En 2 Cu N 1 (25.1 KiB) Viewed 72 times
The Stability Constants Of Some Copper Complexes Are Given Below En Ethylenediamine Complex Cu En 2 Cu En 2 Cu N 2 (16.98 KiB) Viewed 72 times
The stability constants of some copper complexes are given below (en ethylenediamine). Complex [Cu(en)2] [Cu(en)2] [Cu(NH3)4] log 19.7 10,8 13.1 (a) Explain why log B of [Cu(en)212* is higher than that of [Cu(NH3),,?* (6 marks) (b) The reduction potential for the [Cu(OH2).]2+4 couple is +0.159 V vs. NHE. Estimate the reduction potential for the [Cu(en)]2+/+ couple. (6 marks)
3 (0) Construct a molecular orbital diagram to describe the bonding picture in B2H6. (6 marks) (d) Determine the number of skeletal electron pairs in (C2B H12] and classify this carborane as closo-, nido- or arachno. (4 marks) 3 (0) (e) Write balanced equations for the reactions of diborane with water and ammonia respectively. (4 marks)
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