Which one of the following has a magnetic moment of 1.75 BM?

Options

A. `Ti^(3+)`
B. `V^(3+)`
C. `Cr^(3+)`
D. `Fe^(3+)`

Answer

B

Explanation

`Ti^(3+) rArr 4s^0 3d^1`
`mu = sqrt(n(n + 2))`
`= sqrt(1(1 + 2)) = sqrt3`
` = 1.732`.
Where,
n No. of unpaired electrons i.e., 1.