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underset((aq))Co^(2+)+underset((aq))SCN^...

`underset((aq))Co^(2+)+underset((aq))SCN^(-)to` complex (a)
`underset((aq))Ni^(2+)+dmgoverset(NH4OH)to` complex (y)
The CN of Co, Ni in comp,exes (x) & (y) are four
Select the correct statements for the complexes 'x' and 'y'

A

‘x' in paramagnetic with two unpaired `e^(-)`

B

y' is diamagnetic with intermolecular H-bonding

C

x' is paramagnetic with 3 unpaired e" and 'y' is diamagnetic

D

x' and 'y' both are diamagnetic

Text Solution

Verified by Experts

The correct Answer is:
A
`[Co(SCN)_(4)]^(2-)` is paramagnetic.
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