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Ex.3'11-All except 10c

12 using the mo energy ordering for second row

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Unformatted text preview: nd-row homonuclear diatomic molecules in which the π2p (pi 2p) orbitals lie at higher energy than the σ2p (sigma 2p), draw MO energy diagrams and predict the bond order in a molecule or ion with each of the following numbers of total valence electrons. Will the molecule or ion be diamagnetic or paramagnetic? (a) 11 (b) 12 (d) 14 ! ! Bond Order? ___2.5__ ___2___ ___1___ Magnetism? Paramagnetic Paramagnetic Diamagnetic 2 EXAM 3 - Karlin 9.(18) page 3 of 3 (+ Periodic Table) ANSWERS _____ Three different coordination compounds are known with the same empirical formula, CrCl3•6H2O. When exposed to a dehydrating agent (which removes water, but only water molecules which are not directly bonded to the metal ion), compound 1 loses two moles of water per mole of compound, compound 2 loses one mole of water, and compound 3 loses no water. (a) Identify and draw all possible structures (be sure to consider possible isomers) of each of these compounds? Compound 1 Compound 2 Compound 3 [Cr(H2O)4Cl2]Cl....
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