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Reactivity with Halogens (Group 1)

NaNO3 is conv...

Question

$N a N O_{3}$ is converted to $K N O_{3}$ by the reaction: $N a N O_{3} (a q) + K C l (a q) ⇌ K N O_{3} (a q) + N a C l (s)$ .
In the above equilibrium, which is the least soluble in hot water?

N a N O_{3}

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K C l

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K N O_{3}

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N a C l

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Solution

The correct option is D $N a C l$
Reaction: $N a N O_{3} (a q) + K C l (a q) ⇌ K N O_{3} (a q) + N a C l (s)$
In this reaction, $N a C l$ is formed as a solid product and it also forms precipitate due to which reaction moves forward.
Here, it is observed that $N a C l$ is least soluble amongst all reagents.

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