A) \[x=y=z\]
B) \[x=y<z\]
C) \[x<y<z\]
D) \[x>y>z\]
Correct Answer: D
Solution :
[d] \[Cr(24)=1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{6}},\,3{{s}^{2}},\,3{{p}^{6}},\,4{{s}^{1}},\,3{{d}^{5}}\] |
\[Mn\,(25)=1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{6}},\,3{{p}^{6}},\,4{{s}^{2}},\,3{{d}^{5}}\] |
\[Fe(26)=1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{6}},\,3{{s}^{2}},\,3{{p}^{6}},\,4{{s}^{2}},\,3{{d}^{6}}\] |
Magnetic moment \[(\mu )=\sqrt{n(n+2)}\] |
where, \[n=\] number of unpaired electrons. |
Greater the number of unpaired electrons, greater will be the magnetic moment. |
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