Which of the following ion has magnetic moment is 3.87 BM :-

Options

A. `Ti^(3+)`
B. `Sc^(+)`
C. `Ti^(+)`
D. `Mn^(+5)`

Answer

C

Explanation

Magnetic moment `=sqrt(n(n+2))B.M`
`:.n=3` hence `Ti^(+)`