NTSE Chemistry Metals And Non Metals Online Test Set A

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Question 1

Question

If excess of NH4OH is added to the blue precipitate of copper (II) hydroxide and (NH4)2SO4, a deep blue solution is formed due to the formatting of -

Answer

[Cu(NH3)4](NO3)2 

[Cu(NH3)4]CI2 

[Cu(NH3)4]Br2   

[Cu(NH3)4]SO4