. The hot gases around the sun known as the corona can reach millions of degrees
ID: 1043819 • Letter: #
Question
. The hot gases around the sun known as the corona can reach millions of degrees Celsius. These temperatures are hot enough to remove electrons from gaseous atoms. Iron ions with charges as high as +14 have been observed in the corona. The electrons in the outer energy level are lost first in the formation of the positive ions. Use orbital filling diagrams to support your responses to the following questions. (a)Which iron ions from Fe to Fe1 are paramagnetic? (b) Which two ions are the most paramagnetic (most strongly attracted to a magnetic field)? Explain. 14+Explanation / Answer
a.)
Electronic configuration and magnetic behaviour
Fe : 1s2 2s2 2p6 3s2 3p6 3d6 4s2
Fe +1: 1s2 2s2 2p6 3s2 3p6 3d6 4s1? (Dia)
Fe +2: 1s2 2s2 2p6 3s2 3p6 3d6 4s0 (Dia)
Fe +3: 1s2 2s2 2p6 3s2 3p6 3d5 (Dia)
Fe +4: 1s2 2s2 2p6 3s2 3p6 3d4 (Dia)
Fe +5: 1s2 2s2 2p6 3s2 3p6 3d3 (Dia)
Fe +6: 1s2 2s2 2p6 3s2 3p6 3d2 (Dia)
Fe +7: 1s2 2s2 2p6 3s2 3p6 3d1 (Dia)
Fe +8: 1s2 2s2 2p6 3s2 3p6 3d0 (Para)
Fe +9: 1s2 2s2 2p6 3s2 3p5 (Dia)
Fe +10: 1s2 2s2 2p6 3s2 3p4 (Dia)
Fe +11: 1s2 2s2 2p6 3s2 3p3 (Dia)
Fe +12: 1s2 2s2 2p6 3s2 3p2 (Dia)
Fe +13: 1s2 2s2 2p6 3s2 3p1 (Dia)
Fe +14: 1s2 2s2 2p6 3s2 3p0 (Para)
b.)
Since Fe+3 and Fe +4 have highest number of unpaired electrons ( 5 and 4 respectively), they will exhibit most paramagnetic behaviour.
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