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  • Consider the following equilibrium White precipitate of AgCl appears on adding which of the fol

Consider the following equilibrium

White precipitate of AgCl appears on adding which of the following ?              

 

Option: 1

NH_{3}


Option: 2

aqueous NaCl


Option: 3

aqueous HNO_{3}


Option: 4

aqueous NH_{4}Cl


Answers (1)

best_answer

Given,

 \mathrm{AgCl\downarrow + 2NH_{3}\rightleftharpoons [Ag(NH_{3})_{2}]Cl}

\mathrm{[Ag(NH_{3})_{2}]Cl\xrightarrow[]{aq. NaCl}{\rightarrow}AgCl\downarrow }

 

White ppt of AgCl will appear by adding aq. NaCl as Cl− ion from NaCl added will shift the equilibrium in a backward direction resulting in the formation of AgCl ppt.

Therefore, option(2) is correct.

Posted by

rishi.raj

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