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Out of the compounds K(2)SO(4),MgCl(2),F...

Out of the compounds `K_(2)SO_(4),MgCl_(2),FeSO_(4),NiCl_(2)` and `ZNO` which of the following pair will show paramagnetism-

A

`K_(2)SO_(4),MgCl_(2)`

B

`ZnO,MgCl_(2)`

C

`K_(2)SO_(4),ZnCl_(2)`

D

`FeSO_(4),NiCl_(2)`

Text Solution

Verified by Experts

The pair which shows paramagnetism is `FeSO_(4)` and `Nicl_(2)`. It consist of `Fe^(+2)` and `Ni^(+2)` ions which have got unpaired electrons. Their electronic configs. Are as given below.

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