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Why is Copper II Nitrate Blue?

Why is copper ii nitrate blue? Find the answer to this question and access a vast question bank customized for learners.

Answer: The primary reason copper (II) nitrate is blue is that it does tend to soak up a specific colour when light travels through it, especially when it is in a solution. Consequently, all other shades pass through Copper (II) Nitrate when light travels through it. Copper (II) nitrate exists in blue and is essentially a hygroscopic solid substance when we discuss all of its hydrated forms.