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JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

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A chloride salt solution acidified with dil. HNO3\mathrm{HNO}_{3} gives a curdy white precipitate, [A], on addition of AgNO3\mathrm{AgNO}_{3}. [A] on treatment with NH4OH\mathrm{NH}_{4} \mathrm{OH} gives a clear solution, B. A and B are respectively
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Correct option: C
AgCl & [Ag(NH3)2]Cl\mathrm{AgCl} \, \& \, \left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right] \mathrm{Cl}
Option C (AgCl & [Ag(NH3)2]Cl\mathrm{AgCl} \, \& \, \left[\mathrm{Ag}(\mathrm{NH}_{3})_{2}\right] \mathrm{Cl}) is correct because AgCl forms as a precipitate with AgNO3 and then dissolves in NH4OH to form a complex.

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