When cobalt(II) salts are oxidized by air in a solution containing ammonia and sodium nitrite, a yellow

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When cobalt(II) salts are oxidized by air in a solution containing ammonia and sodium nitrite, a yellow solid, [Co(NO2)3(NH3)3], can be isolated. In solution it is nonconducting; treatment with HCl gives a complex that, after a series of further reactions, can be identified as trans-[Co(Cl)2(NH3)3(OH2)]+. It requires an entirely different route to prepare cis-[Co(Cl)2(NH3)3(OH2)]+. Is the yellow substance fac or mer? What assumption must you make to arrive at a conclusion?

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Inorganic Chemistry

ISBN: 9780198768128

7th Edition

Authors: Mark Weller, Tina Overton, Jonathan Rourke

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