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Law of Mass Action

Consider the ...

Question

Consider the following equilibrium $A g C l ↓ + 2 N H_{3} ⇌ [A g (N H_{3})_{2}]^{+} + C l^{-}$ . White precipitate of of $A g C l$ appears on which of the following?

N H_{3}

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Aqueous

N a C l

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Aqueous

H N O_{3}

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Aqueous

N H_{4} C l

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Solution

The correct option is B Aqueous $N a C l$
White ppt of $A g C l$ will appear by adding aq. $N a C l$ as ${C l}^{-}$ ion from $N a C l$ added will shift equilibrium in backward direction resulting in formation of $A g C l$ ppt.

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Similar questions

A g C l ↓ + 2 N H_{3} ⇌ [A g (N H_{3})_{2}]^{+} + C l^{-}

A g C l

\begin{matrix} A g C l ↓ & + & 2 N H_{3} & ⇌ & {[A g {(N H_{3})}_{2}]}^{+} & + & C l^{-} S o l u b l e \end{matrix}

A g C l

N H_{4} C l

N H_{3}

0.15 moles

N a C l

0.05 moles

A g N O_{3}

A g C l

A g C l

(A g = 108 u, C l = 35.5 u)

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