Magnetic Susceptability
Michael J. Horan II
Abstract:
The change in weight induced by a magnetic field for three solutions of
complexes was recorded. The change in weight of a calibrating solution of 29.97%
(W/W) of NiCl2 was recorded to calculate the apparatus constant as 5.7538. cv
and cm for each solution was determined in order to calculate the number of
unpaired electrons for each paramagnetic complex. Fe(NH4)2(SO4)26(H20) had 4
unpaired electrons, KMnO4 had zero unpaired electrons, and K3[Fe(CN)6] had 1
unpaired electron. The apparent 1 unpaired electron in K3[Fe(CN)6] when there
should be five according to atomic orbital calculations arises from a strong
ligand field produced by CN-.
Introduction:
The magnetic susceptibility is a phenomena that arises when a magnetic
moment is induced in an object. This magnetic moment is induced by the presence
of an external magnetic field. This induced magnetic moment translates to a
change in the weight of the object when......
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