Two substances with the formula (en)2CoCl3 (en = ethylenediamine, H2NCH2CH2NH2) have different aqueo — Descriptive Chemistry Chemistry Question
Question
Two substances with the formula (en)2CoCl3 (en = ethylenediamine, H2NCH2CH2NH2) have different aqueous solubilities and different UV-visible spectra in aqueous solution. Which is the most likely explanation for this observation?
A.
The substances are enantiomers.
B.✓ Correct
The substances are geometric isomers.
C.
One substance contains [(en)2CoCl2]Cl with six-coordinate cobalt and the other contains (en)2CoCl3 molecules with seven-coordinate cobalt.
D.
One substance contains [(en)2CoCl2]Cl with six-coordinate cobalt and the other contains [(en)2Co]Cl3 with four-coordinate cobalt.
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