1.

Which of the following given moleculues in a pair are paramagnetic and ferrimagnetic substance respectively?

Answer»

`Fe_3 O_4' & 'H_2 O`
`MNO & 'CrO_2`
`Cu^2+` & `ZnFe_2 O_4`
`C_6 H_6' & 'O_2`

ANSWER :C


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