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in Sc^(3+),Ti^(2+),Ti^(3+),V^(2+) increa...

in `Sc^(3+),Ti^(2+),Ti^(3+),V^(2+)` increasing order of spin only magnetic moment is:

A

`V^(+) lt Ti^(2+) lt Ti^(3+) lt Sc^(3+)`

B

`Sc^(3+) lt Ti^(3+) lt V^(2+) lt Ti^(2+)`

C

`Sc^(3+) lt Ti^(3+) lt Ti^(2+) lt V^(2+)`

D

`Ti^(3+) lt Ti^(2+) lt Sc^(3+) lt V^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C
`T_(1)^(+2) to 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(2)` no. of unpaired `e^(-)=2`
`T_(1)^(+3) to 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(1)` no. of unpaired `e^(-1)=1`
`V^(+2) to 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(3)` no. of unpaired `e^(-)=3`
`Sc^(+3) to 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6)` no. of unpaired `e^(-)=0`
spin-only magnetic moment `propto`no. of unpaaired `e^(-)`
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