Class 12 NEET Chemistry D And F Block Elements Questions

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Question : 107 of 110

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A blue colouration is not obtained when

(1989)

ammonium hydroxide dissolves in copper sulphate
copper sulphate solution reacts with K4[Fe(CN)6]
ferric chloride reacts with sod. ferrocyanide
anhydrous CuSO4 is dissolved in water.

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