1.

Which of the following metal(s) in liquid NH_(3) with low conc. Is not paramagnetic?

Answer»

`CS`
`Be`
`K`
`Mg`

SOLUTION :Due to high ionisation energy and metallic LATTICE energy Be and Mg do not dissolve into liquid `NH_(3)`: HENCE their solution in liquid `NH_(3)` is not paramagnetic.


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