Given below are two statements :

Statement I : C₂H₅OH and AgCN both can generate nucleophile.

Statement II : KCN and AgCN both will generate nitrile nucleophile with all reaction conditions.

Choose the most appropriate option :

The oxide that shows magnetic property is :

In the reaction of hypobromite with amide, the carbonyl carbon is lost as :

The secondary valency and the number of hydrogen bonded water molecule(s) in CuSO₄ . 5H₂O, respectively, are :