D-And F-Block Elements Ques 9

Question: A white powder soluble in $ NH_4OH $ but insoluble in water is

[AFMC 1987]

Options:

A) $ BaSO_4 $

B) $ CuSO_4 $

C) $ PbSO_4 $

D) $ AgCl $

Show Answer

Answer:

Correct Answer: D

Solution:

$ AgCl $ is a covalent compound hence it is insoluble in water also it form complex with $ NH_4OH, $ thus is soluble in $ NH_4OH $ . $ AgCl+2NH_4OH\to [Ag{{(NH_3)}_2}],Cl+H_2O $



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