Copper nitrate, also known as cupric nitrate, is an inorganic compound with the chemical formula Cu(NO₃)₂. It exists in various hydrated forms, including the hemipentahydrate and trihydrate. Let’s explore some key details about copper nitrate:

1. Appearance:

   • Anhydrous Copper Nitrate: Forms blue-green crystals and sublimes in a vacuum at 150-200°C.

   • Hydrated Forms:

     • Trihydrate: Appears as blue crystals.

     • Hexahydrate: Exhibits a blue-green color