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Question
Write the formula of the complex copper (II) hexacyanoferrate (II).
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Solution
On cooling the reaction mixture, glucose separate out because it is less soluble in alcohol and fructose
remains in the solution, Crystals of glucose are then filtered and purified by recrystallization.
A formula for complex copper (II) hexacyanoferrate (II) is `Cu_2[Fe(CN)_6]`
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