Question

Nitrate which forms reddish brown insoluble with ammonium hydroxide

Answer 1

Hiii

The pale blue precipitate of copper hydroxide dissolves in excess of ammonium hydroxide forming tetraamine copper[II] sulphate, an azure blue(deep blue) soluble complex salt. It turns moist red litmus blue, moist turmeric paper brown and phenolphthalein solution pink.

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Answer 2

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