1.

Increasing order of magnetic monent among the following species is `Na^(+),Fe^(+3),CO^(2+),Cr^(+2)`A. `Na^(+) lt CO^(2+) lt Cr^(+2) lt Fe^(3+)`B. `Fe^(3+) lt Cr^(2+)ltCo^(+2)ltFe^(3+) lt Na^(+)`C. `Na^(+)ltCr^(2+)ltCo^(+2)ltFe^(3+)`D. `Na^(+)ltFe^(3+)ltCr^(2+)ltCo^(+2)`

Answer» Correct Answer - A
`Na^(+)ltCo^(2+)ltCr^(2+)ltFe^(3+)`
Higher the number of unpaired electron will be magnetic moment .


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