A) \[AgCl\]
B) \[AgBr\]
C) \[A{{g}_{2}}Cr{{O}_{4}}\]
D) All of these
Correct Answer: D
Solution :
| [a]\[AgCl\]dissolves completely forming \[[Ag{{(N{{H}_{3}})}_{2}}]Cl;\]\[AgCl+2N{{H}_{4}}OH\,\,\xrightarrow{{}}\,\,[Ag{{(N{{H}_{3}})}_{2}}]\,Cl+2{{H}_{2}}O\] |
| [b] \[AgBr\] dissolves completely forming \[[Ag{{(N{{H}_{3}})}_{2}}]Br\] soluble complex.\[AgBr+2N{{H}_{4}}OH\,\,\xrightarrow{{}}\,\,[Ag{{(N{{H}_{3}})}_{2}}]\,Br+2{{H}_{2}}O.\] |
| [c] \[A{{g}_{2}}Cr{{O}_{4}}+4N{{H}_{3}}\,\,\xrightarrow{{}}\,\,2{{[Ag{{(N{{H}_{3}})}_{2}}]}^{+}}CrO_{4}^{2-}\] |
| [d]\[Agl\]is insoluble in concentrated aqueous |
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