Which of the following transition metal ions will have definite value of magnetic moment?
Sc3+
Ti3+
Cu+
Zn2+
A
Ti3+
B
Cu+
C
Zn2+
D
Sc3+
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Solution
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Value of magnetic moment depends upon number of unpaired electrons. All given metal ions (except Ti3+(3d1)) have either fully filled d-subshell ( Zn2+,Cu+) or empty d-subshell ( Sc3+). As such only Ti3+ has a net value of magnetic moment.
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