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Does copper ii nitrate dissolve in water?
The answer to this question is yes, but it’s important to remember that the anhydrous form of copper ii nitrate will turn into at least 5 different hydrates when water is added. It’s also a highly hygroscopic salt that can’t be dried out by heating, so it must be stored in a hermetic sealed container.
Copper II nitrate is a blue-green inorganic salt with the formula Cu(NO3)2. It can be prepared in two ways: one by cooling nitrogen dioxide below 25 degC and the other by adding water to dinitrogen tetroxide.
This salt is a good oxidizer, making it useful for pyrotechnic flame tests. It’s also very toxic and corrosive when it comes into contact with mineral acids or is heated strongly.
It’s also a strong irritant to the eyes, skin and throat. It can also cause a severe fire breakout if it comes into contact with wood or paper.
When heated, it can also decompose into black copper oxide and give off nitrogen dioxide and nitric acid fumes. This is very dangerous and must be avoided at all costs.
It can be used as a nitration agent in combination with acetic anhydride to promote the nitration of aromatic compounds such as benzene. It’s also used as a dye and pesticide, and in the tinplate ink industry. It’s also a common component of copper surface treatments, such as bronzing iron or the blackening of copper.