The D And F Block Elements Ques 34

34. Magnetic moment 2.84 B.M. is given by:-

(At. nos, $Ni=28, Ti=22, Cr=24, Co=27$ ) [2015]

(a) $Ti^{3+}$

(b) $Cr^{2+}$

(c) $Co^{2+}$

(d) $Ni^{2+}$

Show Answer

Solution:

  1. (d) Magnetic moment $=2.84$ B.M. This indicates that 2 unpaired electrons are present.

Number of unpaired electrons $(n)=2$

Hence, $Ni^{2+}$ gives magnetic moment of 2.84 B.M.



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