For the reaction - Ag CN 2 - - Ag - - 2C N - the K c at 25oC is 4- 10 -19- - Ag - - in solution which was originally 0-1 M in KCN and 0-03 M in AgN O 3 is -

The correct option is A a = 7.5×10^ 18 ...

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Standard XII

Chemistry

Van't Hoff Factor

For the react...

Question

For the reaction : $A g {(C N)}_{2}^{-} ⇌ {A g}^{+} + 2 C N^{-}$ , the $K_{c}$ at $25^{o} C$ is $4 \times 10^{- 19}$ . $[{A g}^{+}]$ in solution which was originally $0.1 M$ in $K C N$ and $0.03 M$ in $A g N O_{3}$ is :

a = 7.5 \times 10^{- 18}

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a = 4.5 \times 10^{- 18}

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a = 5.5 \times 10^{- 18}

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None of these

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Solution

The correct option is A $a = 7.5 \times 10^{- 18}$

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Similar questions

Q. In a given reaction;

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For the reaction : Ag(CN)−2⇌Ag++2CN−, the Kc at 25oC is 4×10−19. [Ag+] in solution which was originally 0.1M in KCN and 0.03M in AgNO3 is :

The correct option is A a=7.5×10−18

For the reaction : $A g {(C N)}_{2}^{-} ⇌ {A g}^{+} + 2 C N^{-}$ , the $K_{c}$ at $25^{o} C$ is $4 \times 10^{- 19}$ . $[{A g}^{+}]$ in solution which was originally $0.1 M$ in $K C N$ and $0.03 M$ in $A g N O_{3}$ is :

The correct option is A $a = 7.5 \times 10^{- 18}$