20.38 (a) The values of Emer for the most intense absorptions in the electronic spectra of…

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20.38 (a) The values of Emer for the most intense absorptions in the electronic spectra of…

20.38 (a) The values of Emer for the most intense absorptions in the electronic spectra of CoCl4]- and (Co(OH).]2+ differ by a factor of about 100. Comment on this observation and state which complex you expect to exhibit the larger value of max- (b) In the electronic absorption spectrum of a solution containing V(OH))”+, two bands are observed at 17200 and 25 600 cm . No absorption for the A2, Tję(F) transition is observed. Suggest a reason for this, and assign the two observed absorptions. (c) Red crystalline (NiCl (PPh CH Ph), is diamagnetic. On heating to 387 K for 2 hours, a blue-green form of the complex is obtained, which has a magnetic moment of 3.1818 at 295 K. Suggest an explanation for these 20.40
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