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For a tetrahedral complex [MCl(4)]^(2-),...

For a tetrahedral complex `[MCl_(4)]^(2-)`, the spin-only magnetic moment is 3.83 B.M. The element M is -

A

Co

B

Cu

C

Mn

D

Fe

Text Solution

Verified by Experts

The correct Answer is:
A
`[MCl_4]^(2-)` Tetrahedral = `sp^3` hybrdisation
`M^(+2)`
`because mu = sqrt(n(n+2)) B.M = 3.83`
n=3
Means configuration of `M^(+2) = 3d^7`
So, M = `3d^7 4s^2 = ""_27Co`
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